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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One) 
☑QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE QUARTERLY PERIOD ENDED September 28, 2024
OR
☐
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE TRANSITION PERIOD FROM TO
Commission File No. 001-15943
charlesriverlablogoa03.jpg
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(Exact Name of Registrant as Specified in Its Charter)
Delaware 06-1397316
(State or Other Jurisdiction of
Incorporation or Organization)		 (I.R.S. Employer
Identification No.)
251 Ballardvale Street
Wilmington, Massachusetts 01887
(Address of Principal Executive Offices) (Zip Code)
(Registrant’s telephone number, including area code): (781) 222-6000

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTicker symbol(s)Name of each exchange on which registered
Common stock, $0.01 par valueCRLNew York Stock Exchange
Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No ☐
Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer☑Accelerated filer☐
Non-accelerated filer☐Smaller reporting company☐
Emerging growth company☐
If an emerging growth company, indicate by a check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☑
As of October 26, 2024, there were 51,136,178 shares of the Registrant’s common stock outstanding.


CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

QUARTERLY REPORT ON FORM 10-Q
FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 28, 2024

TABLE OF CONTENTS
Item Page
PART I - FINANCIAL INFORMATION
1Financial Statements
Condensed Consolidated Statements of Income (Unaudited) for the three and nine months ended September 28, 2024 and September 30, 2023
Condensed Consolidated Statements of Comprehensive Income (Unaudited) for the three and nine months ended September 28, 2024 and September 30, 2023
Condensed Consolidated Balance Sheets (Unaudited) as of September 28, 2024 and December 30, 2023
Condensed Consolidated Statements of Cash Flows (Unaudited) for the nine months ended September 28, 2024 and September 30, 2023
Condensed Consolidated Statements of Changes in Equity and Redeemable Noncontrolling Interests (Unaudited) for
the three and nine months ended September 28, 2024 and September 30, 2023
Notes to Unaudited Condensed Consolidated Financial Statements
2Management’s Discussion and Analysis of Financial Condition and Results of Operations
Overview
Results of Operations
Liquidity and Capital Resources
Critical Accounting Policies and Estimates
Recent Accounting Pronouncements
3Quantitative and Qualitative Disclosure About Market Risk
4Controls and Procedures
PART II - OTHER INFORMATION
1Legal Proceedings
1ARisk Factors
2Unregistered Sales of Equity Securities and Use of Proceeds
5Other Information
6Exhibits
Signatures

1

Special Note on Factors Affecting Future Results
This Quarterly Report on Form 10-Q contains forward-looking statements regarding future events and the future results of Charles River Laboratories International, Inc. that are based on our current expectations, estimates, forecasts and projections about the industries in which we operate and the beliefs and assumptions of our management. Words such as “expect,” “anticipate,” “target,” “goal,” “project,” “intend,” “plan,” “believe,” “seek,” “estimate,” “will,” “likely,” “may,” “designed,” “would,” “future,” “can,” “could,” and other similar expressions which are predictions of, indicate future events and trends or which do not relate to historical matters, are intended to identify such forward-looking statements. These statements are based on our current expectations and beliefs and involve a number of risks, uncertainties and assumptions that are difficult to predict.
For example, we may use forward-looking statements when addressing topics such as: our expectations regarding the availability of non-human primates and our ability to diversify our non-human primate (NHP) supply chain; the outcome of (1) the U.S. government investigations and inquiries related to the NHP supply chain (including shipments of non-human primates from Cambodia received by the Company), (2) the putative securities class action lawsuit filed against us and certain current/former officers on May 19, 2023, (3) the derivative lawsuit filed against members of the Board of Directors and certain current/former officers on November 8, 2023, and (4) the derivative lawsuit filed against certain current/former members of the Board of Directors and certain current/former officers on August 2, 2024; the timing and impact of the development and implementation of enhanced procedures to reasonably ensure that non-human primates we source are purpose-bred; changes and uncertainties in the global economy and financial markets, including any changes in business, political, or economic conditions due to the November 16, 2022 announcement by the U.S. Department of Justice through the U.S. Attorney’s Office for the Southern District of Florida that a Cambodian non-human primate supplier and two Cambodian officials had been criminally charged in connection with illegally importing non-human primates into the United States; client demand, particularly future demand for drug discovery and development products and services, including the outsourcing of these services; our expectations with respect to our ability to meet financial targets; our expectations regarding stock repurchases, including the number of shares to be repurchased, expected timing and duration, the amount of capital that may be expended and the treatment of repurchased shares; our ability to successfully execute our business strategy; our ability to timely build infrastructure to satisfy capacity needs and support business growth, our ability to fund our operations for the foreseeable future, the impact of unauthorized access into our information systems, including the timing and effectiveness of any enhanced security and monitoring present spending trends and other cost reduction activities by our clients; future actions by our management; the outcome of contingencies; changes in our business strategy, business practices and methods of generating revenue; the development and performance of our services and products; market and industry conditions, including competitive and pricing trends and the impact of those conditions, including on our allowances for credit losses; our strategic relationships with leading pharmaceutical and biotechnology companies, venture capital investments, and opportunities for future similar arrangements; our cost structure; our expectations regarding our acquisitions and divestitures, including their impact and projected timing; our expectations with respect to revenue growth and operating synergies (including the impact of specific actions intended to cause related improvements); the nature, timing and impact of specific actions intended to improve overall operating efficiencies and profitability (and our ability to accommodate future demand with our infrastructure), including actions to optimize our global footprint, and gains and losses attributable to businesses we plan to close, consolidate, divest or repurpose and the impact of operations and restructuring actions (including as estimated on an annualized basis); our expectations with respect to our study cancellation rates and the impact of such cancellations; our expectations with respect to tax rates and benefits; changes in our expectations regarding future stock option, restricted stock, performance share units and other equity grants to employees and directors; expectations with respect to foreign currency exchange; assessing (or changing our assessment of) our tax positions for financial statement purposes; our liquidity; and the impact of litigation, including our ability to successfully defend litigation against us. In addition, these statements include the impact of economic and market conditions on us and our clients, the effects of our cost-saving actions and the steps to optimize returns to shareholders on an effective and timely basis; and our ability to withstand the current market conditions.
Forward-looking statements are predictions and are subject to risks, uncertainties and assumptions that are difficult to predict. Therefore, actual results may differ materially and adversely from those expressed in any forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this document, or in the case of statements incorporated by reference, on the date of the document incorporated by reference. Factors that might cause or contribute to such differences include, but are not limited to, those discussed in our Annual Report on Form 10-K for the year ended December 30, 2023, under the sections entitled “Our Strategy,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and in this Quarterly Report on Form 10-Q, under the sections entitled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Risk Factors,” in our press releases, and other financial filings with the Securities and Exchange Commission. We have no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or risks. New information, future events, or risks may cause the forward-looking events we discuss in this report not to occur.

2

PART I. FINANCIAL INFORMATION
Item 1. Financial Statements
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)
(in thousands, except per share amounts)
 Three Months EndedNine Months Ended
 September 28, 2024September 30, 2023September 28, 2024September 30, 2023
Service revenue$832,463 $869,759 $2,492,225 $2,602,016 
Product revenue177,300 156,864 555,215 513,917 
Total revenue1,009,763 1,026,623 3,047,440 3,115,933 
Costs and expenses  
Cost of services provided (excluding amortization of intangible assets) 568,699 587,560 1,724,246 1,731,136 
Cost of products sold (excluding amortization of intangible assets)92,043 77,223 275,617 246,326 
Selling, general and administrative199,213 176,109 555,295 550,713 
Amortization of intangible assets32,403 34,229 97,248 103,419 
Operating income117,405 151,502 395,034 484,339 
Other income (expense) 
Interest income1,528 1,373 6,740 3,605 
Interest expense(30,284)(33,742)(98,054)(103,166)
Other income (expense), net2,592 (6,260)6,185 (12,200)
Income before income taxes91,241 112,873 309,905 372,578 
Provision for income taxes20,946 24,852 70,867 81,160 
Net income70,295 88,021 239,038 291,418 
Less: Net income attributable to noncontrolling interests638 632 2,340 3,878 
Net income attributable to Charles River Laboratories International Inc.$69,657 $87,389 $236,698 $287,540 
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders
Net income attributable to Charles River Laboratories International Inc.$69,657 $87,389 $236,698 $287,540 
Less: Adjustment of redeemable noncontrolling interest379 — 1,081 — 
Less: Incremental dividends attributed to noncontrolling interest holders599 — 9,621 — 
Net income available to Charles River Laboratories International Inc. common shareholders$68,679 $87,389 $225,996 $287,540 
Earnings per common share  
Basic$1.34 $1.70 $4.39 $5.62 
Diluted$1.33 $1.69 $4.37 $5.58 
Weighted-average number of common shares outstanding
Basic51,394 51,283 51,461 51,199 
Diluted51,583 51,607 51,713 51,493 
See Notes to Unaudited Condensed Consolidated Financial Statements.
3

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED)
(in thousands)
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
Net income$70,295 $88,021 $239,038 $291,418 
Other comprehensive income (loss):
Foreign currency translation adjustment85,018 (63,997)500 (17,457)
Amortization of net loss, settlement losses, and prior service benefit included in total cost for pension and other post-retirement benefit plans352 177 1,038 521 
Unrealized gains (losses) on hedging instruments(1,060)539 (688)5,183 
Other comprehensive income (loss), before income taxes
84,310 (63,281)850 (11,753)
Less: Income tax expense (benefit) related to items of other comprehensive income8,348 (3,292)848 (3,393)
Comprehensive income, net of income taxes146,257 28,032 239,040 283,058 
Less: Comprehensive income (loss) related to noncontrolling interests, net of income taxes
(238)440 (1,214)1,527 
Comprehensive income attributable to Charles River Laboratories International, Inc., net of income taxes
$146,495 $27,592 $240,254 $281,531 
See Notes to Unaudited Condensed Consolidated Financial Statements.
4

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)
(in thousands, except per share amounts)
September 28, 2024December 30, 2023
Assets 
Current assets:  
Cash and cash equivalents$210,171 $276,771 
Trade receivables and contract assets, net of allowances for credit losses of $23,877 and $25,722, respectively
754,207 780,375 
Inventories336,200 380,259 
Prepaid assets92,631 87,879 
Other current assets101,514 83,378 
Total current assets1,494,723 1,608,662 
Property, plant and equipment, net1,639,978 1,639,741 
Venture capital and strategic equity investments235,987 243,811 
Operating lease right-of-use assets, net385,133 394,029 
Goodwill3,124,592 3,095,045 
Intangible assets, net778,461 864,051 
Deferred tax assets37,963 40,279 
Other assets307,005 309,383 
Total assets$8,003,842 $8,195,001 
Liabilities, Redeemable Noncontrolling Interests and Equity  
Current liabilities:  
Accounts payable$135,963 $168,937 
Accrued compensation211,077 213,290 
Deferred revenue251,968 241,820 
Accrued liabilities208,124 227,825 
Other current liabilities205,089 203,210 
Total current liabilities1,012,221 1,055,082 
Long-term debt, net and finance leases2,326,653 2,647,147 
Operating lease right-of-use liabilities432,836 419,234 
Deferred tax liabilities167,746 191,349 
Other long-term liabilities236,669 223,191 
Total liabilities4,176,125 4,536,003 
Commitments and contingencies (Notes 2, 11, 13, and 15)
Redeemable noncontrolling interest40,590 56,722 
Equity:  
Preferred stock, $0.01 par value; 20,000 shares authorized; no shares issued and outstanding
— — 
Common stock, $0.01 par value; 120,000 shares authorized; 51,718 shares issued and 51,134 shares outstanding as of September 28, 2024, and 51,338 shares issued and outstanding as of December 30, 2023
517 513 
Additional paid-in capital1,971,413 1,905,578 
Retained earnings2,122,835 1,887,218 
Treasury stock, at cost, 584 and zero shares, as of September 28, 2024 and December 30, 2023, respectively
(119,621)— 
Accumulated other comprehensive loss(192,871)(196,427)
Total Charles River Laboratories International, Inc. equity3,782,273 3,596,882 
Nonredeemable noncontrolling interests4,854 5,394 
Total equity3,787,127 3,602,276 
Total liabilities, noncontrolling interests and equity
$8,003,842 $8,195,001 
See Notes to Unaudited Condensed Consolidated Financial Statements.
5

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
(in thousands)
 Nine Months Ended
 September 28, 2024September 30, 2023
Cash flows relating to operating activities  
Net income$239,038 $291,418 
Adjustments to reconcile net income to net cash provided by operating activities:  
Depreciation and amortization259,637 233,610 
Stock-based compensation52,656 52,527 
Deferred income taxes (25,988)(28,251)
Long-lived asset impairment charges17,339 26,202 
(Gain) loss on venture capital & strategic equity investments, net(8,788)9,246 
Provision for credit losses8,223 11,030 
Loss on divestitures, net659 995 
Other, net20,372 6,947 
Changes in assets and liabilities:  
Trade receivables and contract assets, net18,300 (59,081)
Inventories13,789 (44,126)
Accounts payable(7,095)(26,531)
Accrued compensation(1,981)28,438 
Deferred revenue13,583 (9,997)
Customer contract deposits14,707 (21,534)
Other assets and liabilities, net(39,236)(7,938)
Net cash provided by operating activities575,215 462,955 
Cash flows relating to investing activities  
Acquisition of businesses and assets, net of cash acquired(5,479)(50,166)
Capital expenditures(157,351)(240,205)
Purchases of investments and contributions to venture capital investments(45,264)(36,322)
Proceeds from sale of investments39,470 3,953 
Other, net(358)(2,044)
Net cash used in investing activities(168,982)(324,784)
Cash flows relating to financing activities  
Proceeds from long-term debt and revolving credit facility976,783 333,034 
Proceeds from exercises of stock options23,110 19,658 
Payments on long-term debt, revolving credit facility, and finance lease obligations(1,316,990)(530,909)
Purchase of treasury stock(119,051)(24,016)
Payments of contingent consideration— (2,711)
Purchase of remaining equity interest of other redeemable noncontrolling interest(12,000)— 
Other, net(26,900)(4,145)
Net cash used in financing activities(475,048)(209,089)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash(4,025)(4,680)
Net change in cash, cash equivalents, and restricted cash(72,840)(75,598)
Cash, cash equivalents, and restricted cash, beginning of period284,480 241,214 
Cash, cash equivalents, and restricted cash, end of period$211,640 $165,616 
See Notes to Unaudited Condensed Consolidated Financial Statements.
6

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS (UNAUDITED)
(in thousands)
Redeemable Noncontrolling Interests
Common StockAdditional Paid-In CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Treasury Stock
Total Charles River Laboratories, Inc. Equity
Noncontrolling InterestTotal Equity
SharesAmountSharesAmount
December 30, 2023$56,722 51,338 $513 $1,905,578 $1,887,218 $(196,427)— $— $3,596,882 $5,394 $3,602,276 
Net income1,201 — — — 72,960 — — — 72,960 321 73,281 
Other comprehensive (loss), net of tax(2,763)— — — — (53,492)— — (53,492)— (53,492)
Adjustment of redeemable noncontrolling interests to redemption value
4,807 — — (4,406)(401)— — — (4,807)— (4,807)
Dividends to noncontrolling interests(2,192)— — — — — — — — — — 
Issuance of stock under employee compensation plans— 214 2 21,503 — — — — 21,505 — 21,505 
Purchase of treasury shares— — — — — — 42 (9,351)(9,351)— (9,351)
Stock-based compensation— — — 16,738 — — — — 16,738 — 16,738 
March 30, 202457,775 51,552 515 1,939,413 1,959,777 (249,919)42 (9,351)3,640,435 5,715 3,646,150 
Net income(332)— — — 94,081 — — — 94,081 512 94,593 
Other comprehensive income (loss), net of tax
85 — — — — (19,790)— — (19,790)— (19,790)
Adjustment of redeemable noncontrolling interest to redemption value496 — — (195)(301)— — — (496)— (496)
Dividends to noncontrolling interests— — — — — — — — — (1,938)(1,938)
Purchase of remaining equity interest of other redeemable noncontrolling interest
(12,000)— — — — — — — — — — 
Adjustment of purchase price of Noveprim redeemable noncontrolling interest52 — — — — — — — — — — 
Issuance of stock under employee compensation plans— 144 2 824 — — — — 826 — 826 
Purchase of treasury shares— — — — — — 41 (8,914)(8,914)— (8,914)
Stock-based compensation— — — 16,587 — — — — 16,587 — 16,587 
June 29, 202446,076 51,696 517 1,956,629 2,053,557 (269,709)83 (18,265)3,722,729 4,289 3,727,018 
Net income73 — — — 69,657 — — — 69,657 565 70,222 
Other comprehensive (loss) income, net of tax(876)— — — — 76,838 — — 76,838 — 76,838 
Adjustment of redeemable noncontrolling interest to redemption value5,705 — — (5,326)(379)— — — (5,705)— (5,705)
Dividends to noncontrolling interest(10,388)— — — — — — — — — — 
Issuance of stock under employee compensation plans— 22 — 779 — — — — 779 — 779 
Purchase of treasury shares— — — — — — 501 (100,786)(100,786)— (100,786)
Share repurchase excise tax— — — — — — — (570)(570)— (570)
Stock-based compensation— — — 19,331 — — — — 19,331 — 19,331 
September 28, 2024$40,590 51,718 $517 $1,971,413 $2,122,835 $(192,871)584 $(119,621)$3,782,273 $4,854 $3,787,127 
See Notes to Unaudited Condensed Consolidated Financial Statements.
7


CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS (UNAUDITED)
(continued; in thousands)
Redeemable Noncontrolling Interests
Common StockAdditional Paid-In CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Treasury Stock
Total Charles River Laboratories, Inc. Equity
Noncontrolling InterestTotal Equity
SharesAmountSharesAmount
December 31, 2022$42,427 50,944 $509 $1,804,940 $1,432,901 $(262,057)— $— $2,976,293 $4,785 $2,981,078 
Net income322 — — — 103,131 — — — 103,131 501 103,632 
Other comprehensive income (loss), net of tax186 — — — — 22,933 — — 22,933 — 22,933 
Issuance of stock under employee compensation plans— 316 3 11,789 — — — — 11,792 — 11,792 
Purchase of treasury shares— — — — — — 78 (19,012)(19,012)— (19,012)
Stock-based compensation— — — 13,460 — — — — 13,460 — 13,460 
April 1, 202342,935 51,260 512 1,830,189 1,536,032 (239,124)78 (19,012)3,108,597 5,286 3,113,883 
Net income1,857 — — — 97,020 — — — 97,020 566 97,586 
Other comprehensive income (loss), net of tax(2,345)— — — — 30,855 — — 30,855 — 30,855 
Issuance of stock under employee compensation plans— 110 1 3,926 — — — — 3,927 — 3,927 
Purchase of treasury shares— — — — — — 26 (4,966)(4,966)— (4,966)
Stock-based compensation— — — 16,270 — — — — 16,270 — 16,270 
July 1, 202342,447 51,370 513 1,850,385 1,633,052 (208,269)104 (23,978)3,251,703 5,852 3,257,555 
Net income71 — — — 87,389 — — — 87,389 561 87,950 
Other comprehensive income (loss), net of tax(192)— — — — (59,797)— — (59,797)— (59,797)
Dividends to noncontrolling interest
(2,378)— — — — — — — — (1,645)(1,645)
Issuance of stock under employee compensation plans— 30 1 3,938 — — — — 3,939 — 3,939 
Purchase of treasury shares— — — — — — — (38)(38)— (38)
Stock-based compensation— — — 22,797 — — — — 22,797 — 22,797 
September 30, 2023$39,948 51,400 $514 $1,877,120 $1,720,441 $(268,066)104 $(24,016)$3,305,993 $4,768 $3,310,761 
See Notes to Unaudited Condensed Consolidated Financial Statements.
8
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

1. BASIS OF PRESENTATION
The accompanying condensed consolidated financial statements are unaudited and have been prepared by Charles River Laboratories International, Inc. (the Company) in accordance with accounting principles generally accepted in the United States (U.S. GAAP) and pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). The year-end condensed consolidated balance sheet data was derived from the Company’s audited consolidated financial statements, but does not include all disclosures required by U.S. GAAP. These unaudited condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024. Certain reclassifications of prior year amounts have been made to conform to the current year presentation. The unaudited condensed consolidated financial statements, in the opinion of management, reflect all normal and recurring adjustments necessary for a fair statement of the Company’s financial position and results of operations.
Use of Estimates
The preparation of unaudited condensed consolidated financial statements in accordance with U.S. GAAP requires that the Company make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues, expenses and related disclosure of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, judgments, and methodologies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions. Changes in estimates are reflected in reported results in the period in which they become known.
Newly Issued Accounting Pronouncements
In November 2023, the FASB issued ASU 2023-07, “Improvements to Reportable Segment Disclosures (Topic 280)”. ASU 2023-07 modifies reportable segment disclosure requirements, primarily through enhanced disclosures about segment expenses categorized as significant or regularly provided to the Chief Operating Decision Maker (CODM). In addition, the amendments enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss, and contain other disclosure requirements. The purpose of the amendments is to enable investors to better understand an entity’s overall performance and assess potential future cash flows. This ASU is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted and the amendments in this update are required to be applied on a retrospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements, but does not believe there will be a material impact.
In December 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures (Topic 740)”. ASU 2023-09 requires enhanced disclosures on income taxes paid, adds disaggregation of continuing operations before income taxes between foreign and domestic earnings and defines specific categories for the reconciliation of jurisdictional tax rate to effective tax rate. This ASU is effective for fiscal years beginning after December 15, 2024, and can be applied on a prospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements.
Summary of Significant Accounting Policies
The Company’s significant accounting policies are described in Note 1, “Description of Business and Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024.
Consolidation
The Company’s unaudited condensed consolidated financial statements reflect its financial statements and those of its subsidiaries in which the Company holds a controlling financial interest. For consolidated entities in which the Company owns or is exposed to less than 100% of the economics, the Company records net income (loss) attributable to noncontrolling interests in its unaudited condensed consolidated statements of income equal to the percentage of the economic or ownership interest retained in such entities by the respective noncontrolling parties. Redeemable noncontrolling interests, where the noncontrolling interest holders have the ability to require the Company to purchase the remaining interests, are classified in the mezzanine section of the unaudited condensed consolidated balance sheets, which is presented above the equity section and below liabilities. Intercompany balances and transactions are eliminated in consolidation.
The Company’s fiscal year is typically based on 52-weeks, with each quarter composed of 13 weeks ending on the last Saturday on, or closest to, March 31, June 30, September 30, and December 31. A 53rd week in the fourth quarter of the fiscal year is occasionally necessary to align with a December 31 calendar year-end.
9
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Segment Reporting
The Company reports its results in three reportable segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing).
The Company’s RMS reportable segment includes products and services offered within the Research Models, Research Model Services, and Cell Solutions. Research Models includes the commercial production and sale of small research models, as well as the supply of large research models. Research Model Services includes: Insourcing Solutions (IS), which provides colony management of clients’ research operations (including recruitment, training, staffing, and management services) within the clients’ facilities and utilizing the Charles River Accelerator and Development Lab (CRADL™) offering, which provides vivarium space to clients, Genetically Engineered Models and Services (GEMS), which performs contract breeding and other services associated with genetically engineered models, and Research Animal Diagnostic Services (RADS), which provides health monitoring and diagnostics services related to research models; and Cell Solutions, which supplies controlled, consistent, customized primary cells and blood components derived from normal and mobilized peripheral blood and bone marrow.
The Company’s DSA reportable segment includes Discovery Services and Safety Assessment services. The Company provides regulated and non-regulated DSA services to support the research, development, and regulatory-required safety testing of potential new drugs, including therapeutic discovery and optimization plus in vitro (non-animal) and in vivo (in research models) studies, laboratory support services, and strategic non-clinical consulting and program management to support product development.
The Company’s Manufacturing reportable segment includes Microbial Solutions, which provides in vitro lot-release testing products, microbial detection products, and species identification services and Biologics Solutions (Biologics), which performs specialized testing of biologics (Biologics Testing Solutions) as well as contract development and manufacturing products and services (CDMO).
2. ACQUISITIONS AND DIVESTITURES
Fiscal 2023 Acquisition
Noveprim Group
On November 30, 2023, the Company completed the acquisition of an additional 41% equity interest of Noveprim Group (Noveprim), a leading supplier of non-human primates (NHPs) located in Mauritius, resulting in a 90% controlling interest. The Company had previously acquired a 49% equity interest in 2022 for $90.0 million plus additional contingent payments up to $5.0 million based on future performance. The total consideration allocable to the Noveprim acquisition is $392.4 million, which includes $144.6 million additional cash paid for the 41% equity interest, elimination of historical activity and intercompany balances of $209.5 million which includes a remeasurement gain on the 49% equity investment of $113.0 million, contingent consideration of $33.3 million, deferred purchase price of $12.0 million payable from 2024 through 2027, offset by estimated post-closing adjustments for working capital of $7.0 million. The purchase price reflected an agreement with seller on working capital and debt, which was adjusted from $13.8 million to $7.0 million during the nine months ended September 28, 2024. As a result of measurement period adjustments to the purchase price, goodwill and remeasurement gains on the previous 49% equity investment for the nine months ended September 28, 2024, were increased by $17.6 million and $9.8 million, respectively. Remeasurement gains are recorded in Other income (expense), net, within the unaudited condensed consolidated statements of income. The contingent consideration fair value is estimated using a Monte Carlo Simulation model and the maximum contingent contractual payments are up to $55.0 million based on future performance and milestone achievements in fiscal years 2023 through 2025. The Company has the call option right to purchase the remaining 10% equity interest up until one month after the sixth anniversary of closing the 41% equity interest. On the first anniversary of the expiration of the call option, a 12-month put option will be triggered giving the seller the right to require the Company to acquire the remaining shares of the seller. The redemption price for the call/put is fixed and ranges from $47.0 million to $54.0 million depending on when exercised. The noncontrolling interest is classified as a redeemable noncontrolling interest in the mezzanine section of the unaudited condensed consolidated balance sheets. The acquisition was funded through a combination of available cash and proceeds from the Company’s Credit Facility. This business is reported as part of the Company’s DSA reportable segment for NHPs vertically integrated into the DSA supply chain and the RMS reportable segment for those NHPs sold to third party customers. The Company incurred transaction and integration costs in connection with the acquisition of $0.3 million and $0.7 million for the three months ended September 28, 2024 and September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income. The Company incurred transaction and integration costs in connection with the acquisition of $1.2 million and $2.9 million for the nine months ended September 28, 2024 and September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.
10
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
SAMDI Tech, Inc.
On January 27, 2023, the Company acquired SAMDI Tech, Inc., (SAMDI), a leading provider of high-quality, label-free high-throughput screening (HTS) solutions for drug discovery research. The acquisition of SAMDI will provide clients with seamless access to the premier, label-free HTS MS platform and create a comprehensive, library of drug discovery solutions. The purchase price of SAMDI was $62.8 million, net of $0.4 million in cash, inclusive of a 20% strategic equity interest previously owned by the Company of $12.6 million. The acquisition was funded through a combination of available cash and proceeds from the Company’s Credit Facility. This business is reported as part of the Company’s DSA reportable segment. No significant transaction and integration costs were incurred with the acquisition for the three and nine months ended September 28, 2024. The Company incurred transaction and integration costs in connection with the acquisition of $0.5 million and $0.8 million for the three and nine months ended September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.
Purchase price information
The purchase price allocation was as follows:
Noveprim Group(1)
SAMDI Tech, Inc.
November 30, 2023January 27, 2023
(in thousands)
Trade receivables$1,308 $513 
Inventories66,500 — 
Other current assets (excluding cash)3,261 75 
Property, plant and equipment36,154 593 
Operating lease right-of-use asset, net104 — 
Goodwill (2)
190,024 37,129 
Definite-lived intangible assets9,500 33,070 
Other long-term assets (3)
167,907 6 
Deferred revenue— (43)
Other current liabilities(16,268)(351)
Operating lease right-of-use liabilities (Long-term)(97)— 
Deferred tax liabilities(12,984)(8,191)
Other long-term liabilities(7,579)— 
Redeemable noncontrolling interest (4)
(45,426)— 
Total purchase price allocation$392,404 $62,801 
(1) Purchase price allocation is preliminary and subject to change as additional information becomes available concerning the fair value and tax basis of the assets acquired and liabilities assumed, including certain contracts, obligations, and finalization of any working capital adjustments. Any additional adjustments to the purchase price allocation will be made as soon as practicable but no later than one year from the date of acquisition.
(2) The goodwill resulting from these transactions is primarily attributable to the potential growth of the Company’s segments from new customers introduced to the acquired businesses or synergies to be realized from acquiring an internal supplier servicing the DSA business and the assembled workforce of the acquirees, thus is not deductible for tax purposes.
(3) Other long-term assets acquired from the Noveprim acquisition include $167.8 million of biological assets, which will be amortized over an estimated eight-year useful life.
(4) Refer to Note 12 – Equity and Noncontrolling Interests for further a description of the 10% noncontrolling interest fair value.
The definite-lived intangible assets acquired were as follows:
Noveprim GroupSAMDI Tech, Inc.
Definite-Lived Intangible Assets(in thousands)
Client relationships$— $23,400 
Other intangible assets9,500 9,670 
Total definite-lived intangible assets$9,500 $33,070 
Weighted Average Amortization Life(in years)
Client relationships— 15
Other intangible assets77
Total definite-lived intangible assets712

11
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
3. REVENUE FROM CONTRACTS WITH CUSTOMERS
Disaggregation of Revenue
The following table disaggregates the Company’s revenue by reportable segment and timing of transfer of products or services:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Timing of Revenue Recognition:
RMS
Services and products transferred over time$93,446 $94,883 $285,794 $282,980 
Services and products transferred at a point in time104,378 91,965 339,326 313,582 
Total RMS revenue197,824 186,848 625,120 596,562 
DSA
Services and products transferred over time613,388 663,128 1,844,298 1,987,617 
Services and products transferred at a point in time1,672 900 3,633 2,221 
Total DSA revenue615,060 664,028 1,847,931 1,989,838 
Manufacturing
Services and products transferred over time107,284 94,446 311,823 280,992 
Services and products transferred at a point in time89,595 81,301 262,566 248,541 
Total Manufacturing revenue196,879 175,747 574,389 529,533 
Total revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Contract Balances from Contracts with Customers
The following table provides information about client receivables, contract assets, and contract liabilities from contracts with customers:
September 28, 2024December 30, 2023
(in thousands)
Assets from contracts with customers
Client receivables$557,761 $578,077 
Unbilled revenue220,323 228,020 
Total778,084 806,097 
Less: Allowance for credit losses(23,877)(25,722)
Trade receivables and contract assets, net$754,207 $780,375 
Liabilities from contracts with customers
Current deferred revenue$251,968 $241,820 
Long-term deferred revenue (included in Other long-term liabilities)34,915 30,919 
Customer contract deposits (included in Other current liabilities)99,455 85,554 
Approximately 90% of unbilled revenue as of December 30, 2023, which was $228 million, was billed during the nine months ended September 28, 2024. Approximately 90% of unbilled revenue as of December 31, 2022, which was $204 million, was billed during the nine months ended September 30, 2023.
Approximately 80% of contract liabilities as of December 30, 2023, which was $273 million, were recognized as revenue during the nine months ended September 28, 2024. Approximately 80% of contract liabilities as of December 31, 2022, which was $290 million, were recognized as revenue during the nine months ended September 30, 2023.
When the Company does not have the unconditional right to advanced billings, both advanced client payments and unpaid advanced client billings are excluded from deferred revenue, with the advanced billings also being excluded from client
12
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
receivables. The Company excluded approximately $36 million and $41 million of unpaid advanced client billings from both client receivables and deferred revenue in the accompanying unaudited condensed consolidated balance sheets as of September 28, 2024 and December 30, 2023, respectively.
Allowance for Credit Losses
The following is a summary of the activity of the Company’s allowance for credit losses:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$25,722 $11,278 
Provisions8,223 11,030 
Reductions(10,068)(1,121)
Ending balance$23,877 $21,187 
Net provision expenses were $7.2 million and $10.2 million during the nine months ended September 28, 2024 and September 30, 2023, respectively and include recoveries of balances previously written off, which are excluded from the table above.
Transaction Price Allocated to Future Performance Obligations
The Company discloses the aggregate amount of transaction price that is allocated to performance obligations that have not yet been satisfied as of September 28, 2024. Excluded from the disclosure is the value of unsatisfied performance obligations for contracts with an original expected length of one year or less, contracts for which revenue is recognized at the amount to which the Company has the right to invoice for services performed, and service revenue recognized in accordance with ASC 842, “Leases”. The aggregate amount of transaction price allocated to the remaining performance obligations for all open customer contracts as of September 28, 2024 was $803.5 million. The Company will recognize revenues for these performance obligations as they are satisfied, approximately 50% of which is expected to occur within the next twelve months and the remainder recognized thereafter during the remaining contract term.
Other Performance Obligations
As part of the Company’s service offerings, the Company has identified performance obligations related to leasing Company owned assets. In certain arrangements, customers obtain substantially all of the economic benefits of the identified assets, which may include manufacturing suites and related equipment, and have the right to direct the assets’ use over the term of the contract. The associated revenue is recognized on a straight-line basis over the term of the lease, which is generally less than one year.
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Statements of Income
(in thousands)
Lease revenue$16,622 $22,254 $54,312 $70,235 Service revenue
13
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
4. SEGMENT AND GEOGRAPHIC INFORMATION
The Company operates in three reportable segments, RMS, DSA and Manufacturing. Asset information on a reportable segment basis is not disclosed as this information is not separately identified and internally reported to the Company’s Chief Operating Decision Maker (CODM). The following table presents the results of operations by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS  
Revenue$197,824 $186,848 $625,120 $596,562 
Cost of revenue (excluding amortization of intangible assets)137,906 126,640 421,773 381,332 
Selling, general and administrative26,453 26,483 84,943 81,194 
Amortization of intangible assets5,921 5,399 17,763 16,383 
Operating income$27,544 $28,326 $100,641 $117,653 
DSA
Revenue$615,060 $664,028 $1,847,931 $1,989,838 
Cost of revenue (excluding amortization of intangible assets)409,684 436,174 1,246,560 1,268,248 
Selling, general and administrative63,260 63,369 174,598 189,076 
Amortization of intangible assets15,680 17,666 47,122 52,726 
Operating income$126,436 $146,819 $379,651 $479,788 
Manufacturing
Revenue$196,879 $175,747 $574,389 $529,533 
Cost of revenue (excluding amortization of intangible assets)113,152 101,968 331,530 327,882 
Selling, general and administrative32,737 36,338 99,397 114,556 
Amortization of intangible assets10,802 11,166 32,363 34,311 
Operating income$40,188 $26,275 $111,099 $52,784 
Unallocated Corporate
Selling, general and administrative$76,763 $49,918 $196,357 $165,886 
Operating income (1)
$(76,763)$(49,918)$(196,357)$(165,886)
Consolidated
Revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Cost of revenue (excluding amortization of intangible assets)660,742 664,783 1,999,863 1,977,462 
Selling, general and administrative199,213 176,109 555,295 550,713 
Amortization of intangible assets32,403 34,229 97,248 103,419 
Operating income$117,405 $151,502 $395,034 $484,339 
(1) Operating income for unallocated corporate consists of costs associated with departments such as senior executives, corporate accounting, legal, tax, human resources, treasury, and investor relations.

14
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Capital expenditures and depreciation and amortization (related to both intangible assets and certain assets acquired in business combinations) by reportable segment are as follows:
RMSDSAManufacturingUnallocated CorporateConsolidated
(in thousands)
Capital Expenditures
Three Months Ended:
September 28, 2024$7,186 $22,773 $8,735 $27 $38,721 
September 30, 20239,192 41,967 14,349 439 65,947 
Nine Months Ended:
September 28, 2024$36,543 $91,176 $28,180 $1,452 $157,351 
September 30, 202335,769 155,477 46,949 2,010 240,205 
Depreciation and amortization
Three Months Ended:
September 28, 2024$18,389 $47,751 $20,298 $1,760 $88,198 
September 30, 202313,872 44,088 20,070 840 78,870 
Nine Months Ended:
September 28, 2024$53,050 $141,269 $60,176 $5,142 $259,637 
September 30, 202341,310 129,662 59,677 2,961 233,610 
Revenue represents sales originating in entities physically located in the identified geographic area. Revenue by geographic area is as follows:
U.S.EuropeCanadaAsia Pacific
Other (1)
Consolidated
(in thousands)
Three Months Ended:
September 28, 2024$559,277 $267,123 $127,088 $45,009 $11,266 $1,009,763 
September 30, 2023590,316 264,787 129,023 40,233 2,264 1,026,623 
Nine Months Ended:
September 28, 2024$1,693,021 $814,819 $362,733 $141,168 $35,699 $3,047,440 
September 30, 20231,802,532 805,466 357,276 142,910 7,749 3,115,933 
(1) The Other category represents operations located in Brazil, Israel, and Mauritius.
Long-lived assets consist of property, plant, and equipment, net. Long-lived assets by geographic area are as follows:
U.S.EuropeCanadaAsia PacificOtherConsolidated
(in thousands)
Long-lived assets
September 28, 2024$953,412 $425,967 $152,980 $70,816 $36,803 $1,639,978 
December 30, 2023964,176 407,375 157,483 74,605 36,102 1,639,741 

15
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
5. SUPPLEMENTAL CASH FLOW INFORMATION
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Cash paid for income taxes$94,609 $75,783 
Cash paid for interest98,572 106,014 
Non-cash investing activities:
Purchases of Property, plant and equipment included in Accounts payable and Accrued liabilities$32,764 $41,526 
Assets acquired under finance leases3,159 154 
Cash, cash equivalents and restricted cash is included in the accompanying unaudited condensed consolidated balance sheets as follows:
September 28, 2024September 30, 2023
(in thousands)
Supplemental cash flow information:
Cash and cash equivalents$210,171 $157,174 
Restricted cash included in Other current assets323 6,586 
Restricted cash included in Other assets1,146 1,856 
Cash, cash equivalents, and restricted cash, end of period$211,640 $165,616 
6. INVENTORY
Inventories
The composition of inventories is as follows:
September 28, 2024December 30, 2023
(in thousands)
Raw materials and supplies$45,264 $42,296 
Work in process46,976 59,727 
Finished products243,960 278,236 
Inventories$336,200 $380,259 
Inventory step up amortization expense incurred for the three and nine months ended September 28, 2024 was $5.9 million and $16.5 million, respectively.
16
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
7. PROPERTY, PLANT AND EQUIPMENT, NET
The composition of property, plant and equipment, net is as follows:
September 28, 2024December 30, 2023
(in thousands)
Land$79,670 $79,546 
Buildings (1)
1,097,064 1,053,915 
Machinery and equipment (1)
1,040,195 984,867 
Leasehold improvements404,442 366,556 
Furniture and fixtures32,640 31,284 
Computer hardware and software (1)
265,392 254,413 
Vehicles (1)
7,502 6,746 
Construction in progress176,541 197,723 
Total3,103,446 2,975,050 
Less: Accumulated depreciation(1,463,468)(1,335,309)
Property, plant and equipment, net$1,639,978 $1,639,741 
(1) These balances include assets under finance leases.
Depreciation expense in the three months ended September 28, 2024 and September 30, 2023 was $48.5 million and $44.6 million, respectively. Depreciation expense in the nine months ended September 28, 2024 and September 30, 2023 was $141.8 million and $130.2 million, respectively.
8. VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS
Venture capital investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$121,158 $129,012 
Capital contributions16,205 12,056 
Distributions(20,324)(12,972)
Gains (losses)
8,439 (14,258)
Foreign currency translation466 260 
Ending balance$125,944 $114,098 
The Company also invests, with minority positions, directly in equity of predominantly privately held companies. Strategic investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$122,653 $182,590 
Purchase of investments2,140 21,489 
Distributions— (7,493)
Gain (loss)
(9,430)5,012 
Reduction for acquisition of entity (1)
— (12,635)
Other investment activity(5,540)— 
Foreign currency translation220 (1,214)
Ending balance$110,043 $187,749 
(1) Refer to Note 2 – Acquisitions and Divestitures for further discussion on the acquisition of SAMDI.
17
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
9. FAIR VALUE
Assets and liabilities measured at fair value on a recurring basis are summarized below:
 September 28, 2024
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $30 $— $30 
Interest rate swap— 278 — 278 
Other assets:
Life insurance policies— 47,734 — 47,734 
Total assets measured at fair value$— $48,042 $— $48,042 
Other long-term liabilities measured at fair value:
Contingent consideration$— $— $39,893 $39,893 
Total liabilities measured at fair value$— $— $39,893 $39,893 
The Company recognizes transfers between levels within the fair value hierarchy, if any, at the end of each quarter. During the nine months ended September 28, 2024, there were no transfers between levels.
 December 30, 2023
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $29 $— $29 
Other assets:
Life insurance policies— 40,912 — 40,912 
Interest rate swap— 966 — 966 
Total assets measured at fair value$— $41,907 $— $41,907 
Other long-term liabilities measured at fair value
Contingent consideration$— $— $33,265 $33,265 
Total liabilities measured at fair value$— $— $33,265 $33,265 
During the year ended December 30, 2023, there were no transfers between levels.
Contingent Consideration
The following table provides a rollforward of the contingent consideration related to the Company’s acquisitions.
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$33,265 $13,431 
Payments— (15,130)
Total gains or losses (realized/unrealized):
Adjustment of previously recorded contingent liability6,628 1,810 
Foreign currency translation— (111)
Ending balance$39,893 $— 
The Company estimates the fair value of contingent consideration obligations through valuation models, such as probability-weighted and option pricing models, which incorporate probability adjusted assumptions and simulations related to the achievement of the milestones and the likelihood of making related payments. The unobservable inputs used in the fair value measurements include the probabilities of successful achievement of certain financial targets, forecasted results or targets, volatility, and discount rates. The remaining maximum potential payments are approximately $55.0 million, of which the value accrued as of September 28, 2024 is $39.9 million as the probability of achieving the maximum target is estimated to be 73%. The volatility and weighted average cost of capital is approximately 5% and 8%, respectively. Increases or decreases in these assumptions may result in a higher or lower fair value measurement, respectively.
18
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Cash Flow Hedge
The Company is exposed to market fluctuations in interest rates as well as variability in foreign exchange rates. The Company had an interest rate swap with a notional amount of $500 million maturing November 2, 2024 to manage interest rate fluctuation related to floating rate borrowings under the Credit Facility, at a fixed rate of 4.65%.
Debt Instruments
The book value of the Company’s revolving loans, which are variable rate loans carried at amortized cost, approximates the fair value based on current market pricing of similar debt. As the fair value is based on significant other observable inputs, including current interest and foreign currency exchange rates, it is deemed to be Level 2 within the fair value hierarchy.
The book value of the Company’s Senior Notes are fixed rate obligations carried at amortized cost. Fair value is based on quoted market prices as well as borrowing rates available to the Company. As the fair value is based on significant other observable outputs, it is deemed to be Level 2 within the fair value hierarchy. The book value and fair value of the Company’s Senior Notes is summarized below:
September 28, 2024December 30, 2023
Book ValueFair ValueBook ValueFair Value
(in thousands)
4.25% Senior Notes due 2028
$500,000 $484,350 $500,000 $478,100 
3.75% Senior Notes due 2029
500,000 470,100 500,000 458,100 
4.00% Senior Notes due 2031
500,000 459,350 500,000 449,350 
10. GOODWILL AND INTANGIBLE ASSETS
Goodwill
The following table provides a rollforward of the Company’s goodwill:
RMS
DSA (1)
ManufacturingTotal
(in thousands)
December 30, 2023$497,474 $1,662,434 $935,137 $3,095,045 
Acquisitions— 17,675 — 17,675 
Foreign exchange203 (4,480)16,149 11,872 
September 28, 2024$497,677 $1,675,629 $951,286 $3,124,592 
(1) DSA includes accumulated impairment losses of $1 billion, which were recognized in fiscal years 2008 and 2010.
The increase in goodwill during the nine months ended September 28, 2024 is related to measurement period adjustments related to the acquisition of Noveprim in the DSA reportable segment and foreign exchange in Manufacturing.
During the third quarter ended September 28, 2024, a triggering event was identified for the Discovery Services reporting unit (part of the DSA reportable segment). This resulted from a continuous decline in market conditions and operational challenges, ultimately resulting in a reduction of Discovery Services’ long range financial outlook. In response, management conducted a quantitative impairment test for goodwill to determine if the goodwill in the Discovery Services reporting unit was impaired. Upon completion of a quantitative impairment test, it was determined that the fair value of the reporting unit exceeded its carrying value by approximately 22%, and no impairment was recognized as of September 28, 2024. While the Discovery Services reporting unit is not currently impaired, the Company will continue to closely monitor future performance and any potential impacts on the value of the reporting unit.
19
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Intangible Assets, Net
The following table displays intangible assets, net by major class:
 September 28, 2024December 30, 2023
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
(in thousands)
Client relationships$1,541,032 $(808,507)$732,525 $1,528,780 $(721,322)$807,458 
Technology144,241 (118,793)25,448 142,190 (111,764)30,426 
Trademarks and trade names12,091 (5,505)6,586 11,878 (4,568)7,310 
Backlog3,100 (3,100)— 3,100 (2,177)923 
Other43,185 (29,283)13,902 43,611 (25,677)17,934 
Intangible assets$1,743,649 $(965,188)$778,461 $1,729,559 $(865,508)$864,051 
The decrease in intangible assets, net during the nine months ended September 28, 2024 related to normal amortization over the useful lives.
Amortization expense of definite-lived intangible assets for the three months ended September 28, 2024 and September 30, 2023 was $32.4 million and $34.2 million, respectively. Amortization expense of definite-lived intangible assets for nine months ended September 28, 2024 and September 30, 2023 was $97.2 million and $103.4 million, respectively.
11. DEBT AND OTHER FINANCING ARRANGEMENTS
Long-term debt, net and finance leases consists of the following:
September 28, 2024December 30, 2023
(in thousands)
Revolving facility$794,290 $1,129,243 
4.25% Senior Notes due 2028
500,000 500,000 
3.75% Senior Notes due 2029
500,000 500,000 
4.00% Senior Notes due 2031
500,000 500,000 
Other debt16,122 9,575 
Finance leases 31,116 28,550 
Total debt and finance leases2,341,528 2,667,368 
Less:
Current portion of long-term debt157 3,172 
Current portion of finance leases3,043 2,398 
Current portion of long-term debt and finance leases3,200 5,570 
Long-term debt and finance leases2,338,328 2,661,798 
Debt discount and debt issuance costs(11,675)(14,651)
Long-term debt, net and finance leases$2,326,653 $2,647,147 
As of September 28, 2024 and December 30, 2023, the weighted average interest rate on the Company’s debt was 4.59% and 4.93%, respectively.
Letters of Credit
As of September 28, 2024 and December 30, 2023, the Company had $21.2 million and $21.6 million, respectively, in outstanding letters of credit.
20
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
12. EQUITY AND NONCONTROLLING INTERESTS
Earnings Per Share
The following table reconciles the numerator and denominator in the computations of basic and diluted earnings per share:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Numerator:  
Net income$70,295 $88,021 $239,038 $291,418 
Less: Net income attributable to noncontrolling interests638 632 2,340 3,878 
Net income attributable to Charles River Laboratories International Inc.69,657 87,389 236,698 287,540 
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders
Net income attributable to Charles River Laboratories International Inc.$69,657 $87,389 $236,698 $287,540 
Less: Adjustment of redeemable noncontrolling interest (1)
379 — 1,081 — 
Less: Incremental dividends attributable to noncontrolling interest holders (2)
599 — 9,621 — 
Net income available to Charles River Laboratories International Inc. common shareholders$68,679 $87,389 $225,996 $287,540 
Denominator:  
Weighted-average shares outstanding - Basic51,394 51,283 51,461 51,199 
Effect of dilutive securities:
Stock options, restricted stock units and performance share units189 324 252 294 
Weighted-average shares outstanding - Diluted51,583 51,607 51,713 51,493 
Anti-dilutive common stock equivalents (3)
746 588 505 514 
(1) Represents adjustments of redeemable noncontrolling interest that impact retained earnings.
(2) Represents incremental declared and undeclared dividends attributable to Noveprim noncontrolling interest holders who are entitled to preferential dividends for fiscal year 2024.
(3) These common stock equivalents were outstanding for the periods presented, but were not included in the computation of diluted EPS for those periods because their inclusion would have had an anti-dilutive effect.
Treasury Shares
On August 2, 2024, the Company’s Board of Directors approved a stock repurchase authorization of $1.0 billion. This authorization fully replaces a prior stock repurchase authorization of $1.3 billion that had $129.1 million remaining when it was terminated. During the three and nine months ended September 28, 2024, the Company repurchased 0.5 million shares of common stock for $100.7 million under the new stock repurchase program. As of September 28, 2024, the Company had $899.3 million remaining on the current authorized stock repurchase program.
The Company’s stock-based compensation plans permit the netting of common stock upon vesting of RSUs and PSUs in order to satisfy individual statutory tax withholding requirements. The Company acquired shares of approximately 0.1 million in the nine months ended September 28, 2024 and nine months ended September 30, 2023, for $18.4 million and $24.0 million, respectively, from such netting.
21
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Accumulated Other Comprehensive Income (Loss)
Changes to each component of accumulated other comprehensive income (loss), net of income taxes, are as follows:
Foreign Currency Translation Adjustment
and Other 		Pension and Other Post-Retirement Benefit PlansNet Unrealized (Loss) Gain on Cash Flow HedgeTotal
(in thousands)
December 30, 2023$(149,999)$(47,167)$739 $(196,427)
Other comprehensive income (loss) before reclassifications
4,054 1,038 (688)4,404 
Net current period other comprehensive income (loss)
4,054 1,038 (688)4,404 
Income tax expense (benefit)757 256 (165)848 
September 28, 2024$(146,702)$(46,385)$216 $(192,871)
Redeemable Noncontrolling Interests
Through September 28, 2024, the Company holds several redeemable noncontrolling interests. Since the Company has the right to purchase, and the noncontrolling interest holders have the right to require the Company to purchase the remaining interest, which represents a derivative embedded within the equity instrument, the noncontrolling interest is classified in the mezzanine section of the unaudited condensed consolidated balance sheets, which is presented above the equity section and below liabilities.
The redeemable noncontrolling interests are measured at the greater of (i) the redemption amount or (ii) the historical value resulting from the original acquisition date fair value, increased or decreased for the noncontrolling interest’s share of net income (loss), equity capital contributions and distributions. The fair value of the redeemable noncontrolling interest is determined using the income approach, with key assumptions being projected cash flows and discount rates based on market participant’s weighted average cost of capital. To the extent redemption value exceeds carrying value, adjustments are recorded to additional paid-in capital, with any cumulative excess of redemption value over fair value recorded in retained earnings, which impacts net income available to common shareholders used in the calculation of earnings per common share.
Noveprim
The Company holds a 90% ownership interest in Noveprim. The Company has the right to purchase, and the noncontrolling interest holders have the right to sell, the remaining 10% equity interest at a fixed redemption value that ranges from $47.0 million to $54.0 million depending on when exercised. The Company has the call option right to purchase the remaining 10% equity up until one month after the sixth anniversary of closing the 41% equity stake (December 2029). On the first anniversary of the expiration of the call option (December 2030), a 12-month put option will be triggered giving the seller the right to require the Company to acquire the remaining shares of the seller for $54.0 million. Additionally, during fiscal year 2024 the 10% noncontrolling interest holders have and may continue to receive a dividend disproportionate to their equity ownership, of which the fair value of $8.0 million as of the acquisition date was recorded within the redeemable noncontrolling interest. Through September 28, 2024, incremental dividends based on Noveprim statutory net income attributed to the redeemable noncontrolling interest holders of $9.6 million reduced net income available to common shareholders used in the calculation of earnings per common share. The redemption value is accreted to the put purchase price of $54.0 million using the interest method through December 2030. As of September 28, 2024, the redemption value of $40.6 million exceeded both the carrying value and fair value, resulting in both an adjustment to additional paid in capital of $7.2 million and an adjustment to retained earnings of $1.1 million, respectively, for the nine months ended September 28, 2024.
Other redeemable noncontrolling interest
In 2019, the Company acquired an 80% equity interest in a subsidiary, which included a 20% redeemable noncontrolling interest. In June 2022, the Company purchased an additional 10% interest in the subsidiary for $15.0 million, resulting in a remaining noncontrolling interest of 10%. Beginning in 2024, the Company had the right to purchase, and the noncontrolling interest holders had the right to sell, the remaining 10% equity interest at its appraised value. The redemption value was measured at the greater of the appraised value or a predetermined floor. The amount that the Company could be required to pay to purchase the remaining 10% equity interest was not limited. As of March 30, 2024, the redemption value of $12.0 million exceeded the carrying value, resulting in an adjustment to additional paid in capital of $2.8 million. During the second quarter of fiscal 2024, the Company acquired the remaining 10% for $12.0 million.
22
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Vital River
The Company held a 92% ownership interest in Vital River, a commercial provider of research models and related services in China as of December 31, 2022. The Company had the right to purchase, and the noncontrolling interest holders had the right to sell, the remaining 8% equity interest at a contractually defined redemption value, subject to a redemption floor. The amount that the Company could be required to pay to purchase the remaining 8% equity interest was not limited. During 2023, the Company acquired the remaining 8% and paid $4.8 million of the total $24.4 million due. The remaining purchase price payable was included in Accrued liabilities within the Company’s unaudited condensed consolidated balance sheet as of September 28, 2024 and December 30, 2023 and is expected to be paid during fiscal year 2024.
Nonredeemable Noncontrolling Interest
The Company has an investment in an entity whose financial results are consolidated in the Company’s unaudited condensed consolidated financial statements, as it has the ability to exercise control over this entity. The interest of the noncontrolling party in this entity has been recorded as nonredeemable noncontrolling interest within Equity in the accompanying unaudited condensed consolidated balance sheets. The activity within the nonredeemable noncontrolling interest was not material during the three and nine months ended September 28, 2024 and September 30, 2023.
13. INCOME TAXES
The Company’s effective tax rates for the three months ended September 28, 2024 and September 30, 2023 were 23.0% and 22.0%, respectively. The increase in the effective tax rate for the three months ended September 28, 2024 compared to the corresponding prior year period was primarily attributable to the deferred tax impact of tax law changes enacted during the three months ended September 28, 2024, offset by jurisdictional earnings mix.
The Company’s effective tax rates for the nine months ended September 28, 2024 and September 30, 2023 were 22.9% and 21.8%, respectively. The increase in the effective tax rate for the nine months ended September 28, 2024 compared to the same prior year period is primarily attributable the same reason as above, as well as decreased tax benefit from stock-based compensation deductions in nine months ended September 28, 2024.
For the three months ended September 28, 2024, the Company’s unrecognized tax benefits increased by $1.2 million to $25.2 million, primarily due to increases in research and development tax credit reserves, as well as unfavorable foreign exchange movement. For the three months ended September 28, 2024, the amount of unrecognized income tax benefits that would impact the effective tax rate increased by $1.0 million to $22.1 million for the same reasons discussed above. The accrued interest on unrecognized tax benefits was $1.8 million as of September 28, 2024. The Company estimates that it is reasonably possible that the unrecognized tax benefits will decrease by approximately $5.1 million over the next twelve-month period, primarily due to audit settlements and expiring statutes of limitations.
The Company’s prepaid and accrued tax positions are as follows:
September 28, 2024December 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Balance Sheets
(in thousands)
Prepaid income tax$82,153 $59,715 Other current assets
Accrued income taxes39,673 38,819 Other current liabilities
The Company conducts business in a number of tax jurisdictions. As a result, it is subject to tax audits on a regular basis including, but not limited to, such major jurisdictions as the U.S., the U.K., China, France, Germany, and Canada. With few exceptions, the Company is no longer subject to U.S. and international income tax examinations for years before 2020.
The Company and certain of its subsidiaries have ongoing tax controversies in the U.S., Canada, and India. The Company does not anticipate resolution of these audits will have a material impact on its unaudited condensed consolidated financial statements.
14. RESTRUCTURING AND ASSET IMPAIRMENTS
The Company has undertaken restructuring actions impacting the reportable segments at various locations across North America, Europe and Asia. This includes workforce right-sizing actions resulting in severance and transition costs; and costs related to the consolidation of facilities resulting in asset impairment, accelerated depreciation charges, and certain other costs. Generally, these actions are in response to recent macroeconomic impacts on the Company. During fiscal year 2023, the Company began to take restructuring actions as a result of these emerging business trends. The Company incurred restructuring charges of $30.6 million and $65.6 million during the three and nine months ended September 28, 2024, respectively and approximately $95 million since the beginning of fiscal year 2023 through September 28, 2024.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
The following table presents restructuring costs by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS$4,965 $965 $22,580 $965 
DSA13,866 13,220 24,123 13,218 
Manufacturing5,372 975 9,660 7,162 
Unallocated corporate6,443 — 9,237 — 
Total$30,646 $15,160 $65,600 $21,345 
The following table presents restructuring costs as included within the Company’s unaudited condensed consolidated statements of income:
September 28, 2024September 30, 2023
Severance and Transition CostsAsset Impairments and Other CostsTotalSeverance and Transition CostsAsset Impairments and Other CostsTotal
(in thousands)
Three Months Ended
Cost of services provided (excluding amortization of intangible assets)$12,830 $3,482 $16,312 $2,160 $11,418 $13,578 
Cost of products sold (excluding amortization of intangible assets)1,783 650 2,433 480 174 654 
Selling, general and administrative11,923 (22)11,901 937 (9)928 
Total restructuring costs$26,536 $4,110 $30,646 $3,577 $11,583 $15,160 
Nine Months Ended
Cost of services provided (excluding amortization of intangible assets)$20,510 $6,516 $27,026 $5,088 $11,418 $16,506 
Cost of products sold (excluding amortization of intangible assets)2,530 11,134 13,664 534 2,920 3,454 
Selling, general and administrative18,430 6,480 24,910 1,386 (1)1,385 
Total restructuring costs$41,470 $24,130 $65,600 $7,008 $14,337 $21,345 
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Rollforward of Restructuring Activities
The following table provides a rollforward for the Company’s accrued restructuring costs related to all restructuring activities:
Severance and Transition Costs
Asset Impairments
Other Costs
Total
(in thousands)
Nine Months Ended September 28, 2024
Beginning balance
$4,175 $— $875 $5,050 
Expense
41,470 15,999 8,131 65,600 
Payments / utilization
(17,920)— (6,762)(24,682)
Other non-cash adjustments
— (15,999)(1,369)(17,368)
Foreign currency adjustments
57 — — 57 
Ending Balance
$27,782 $— $875 $28,657 
Nine Months Ended September 30, 2023
Beginning balance
$356 $— $944 $1,300 
Expense
7,008 13,269 1,068 21,345 
Payments / utilization
(3,179)— (710)(3,889)
Other non-cash adjustments
— (13,269)(427)(13,696)
Foreign currency adjustments
(42)— — (42)
Ending Balance
$4,143 $— $875 $5,018 
As of September 28, 2024 and December 30, 2023, $28.7 million and $5.1 million, respectively, of severance and other personnel related costs liabilities were included in accrued compensation and accrued liabilities within the Company’s unaudited condensed consolidated balance sheets.
15. COMMITMENTS AND CONTINGENCIES
Litigation
On February 16, 2023, the Company was informed by the U.S. Department of Justice (DOJ) that in conjunction with the U.S. Fish and Wildlife Service (USFWS), it had commenced an investigation into the Company’s conduct regarding several shipments of non-human primates from Cambodia. On February 17, 2023 the Company received a grand jury subpoena requesting certain documents related to such investigation. The Company is aware of a parallel civil investigation being undertaken by the DOJ and USFWS. The Company is cooperating with the DOJ and the USFWS and believes that the concerns raised with respect to the Company’s conduct are without merit. The Company maintains a global supplier onboarding and oversight program incorporating risk-based due diligence, auditing, and monitoring practices to help ensure the quality of the Company’s supplier relationships and compliance with applicable U.S. and international laws and regulations, and has operated under the belief that all shipments of non-human primates it received satisfied the material requirements, documentation and related processes and procedures of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which guides the release of each import by USFWS. Notwithstanding the Company’s efforts and good-faith belief, in connection with the civil investigation, the Company has voluntarily suspended future shipments of non-human primates from Cambodia to the United States until such time that the Company and USFWS can agree upon and implement additional procedures to reasonably ensure that non-human primates imported from Cambodia are purpose-bred. The Company continues to care for the Cambodia-sourced non-human primates from certain shipments in the United States. The carrying value of the inventory related to these shipments was approximately $27 million as of September 28, 2024, which reflects the value of the shipments in accordance with the Company’s inventory accounting policy. On May 16, 2023, the Company received an inquiry from the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting it to voluntarily provide information, subsequently augmented with a document subpoena and additional inquiries, primarily related to the sourcing of non-human primates and related disclosures, and the Company is cooperating with these requests. The Company is not able to predict what action, if any, might be taken in the future by the DOJ, USFWS, SEC or other governmental authorities as a result of the investigations. None of the DOJ, USFWS or SEC has provided the Company with any specific timeline or indication as to when these investigations or, specific to the DOJ and USFWS, discussions regarding future processes and procedures, will be concluded or resolved. The Company cannot predict the timing, outcome or possible impact of the investigations, including without limitation any potential fines, penalties or liabilities.
A putative securities class action (Securities Class Action) was filed on May 19, 2023 against the Company and a number of its current/former officers in the United States District Court for the District of Massachusetts. On August 31, 2023, the court
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NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
appointed the State Teachers Retirement System of Ohio as lead plaintiff. An amended complaint was filed on November 14, 2023 that, among other things, included only James Foster, the Chief Executive Officer and David R. Smith, the former Chief Financial Officer as defendants along with the Company. The amended complaint asserts claims under §§ 10(b) and 20(a) of the Securities Exchange Act of 1934 (the "Exchange Act") on behalf of a putative class of purchasers of Company securities from May 5, 2020 through February 21, 2023, alleging that certain of the Company’s disclosures about its practices with respect to the importation of non-human primates made during the putative class period were materially false or misleading. On July 1, 2024, the court dismissed the complaint, denied the plaintiff’s informal request for leave to amend, and entered judgment for defendants. On July 30, 2024, the plaintiff filed a notice of appeal in the United States Court of Appeals for the First Circuit. While the Company cannot predict the final outcome of this matter, it believes the class action to be without merit and plans to vigorously defend against it. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with this matter.
On November 8, 2023, a stockholder filed a derivative lawsuit in the U.S. District Court of the District of Delaware asserting claims on the Company’s behalf against the members of the Company’s Board of Directors and certain of the Company’s current/former officers (James Foster, the Chief Executive Officer; David R. Smith, the former Chief Financial Officer; and Flavia Pease, the current Chief Financial Officer). The complaint alleges that the defendants breached their fiduciary duties to the Company and its stockholders because certain of the Company’s disclosures about its practices with respect to the importation of non-human primates were materially false or misleading. The complaint also alleges that the defendants breached their fiduciary duties by causing the Company to fail to maintain adequate internal controls over securities disclosure and compliance with applicable law and by failing to comply with the company’s Code of Business Conduct and Ethics. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. On August 2, 2024, a different stockholder filed a lawsuit in the U.S. District Court of Delaware asserting similar derivative claims on the Company’s behalf against members of the Company’s current and former Board of Directors and the same current/former officers based on similar allegations of purportedly misleading disclosures and non-compliance with legal rules and ethics standards in respect of the importation of non-human primates, as well as insider-trading claims against certain of the defendants. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. While the Company cannot predict the outcome of these matters, it believes the derivative lawsuits to be without merit and plans to vigorously defend against them. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with these matters.
Aside from the matters above, the Company believes there are no other matters pending against the Company that could have a material impact on the Company’s business, financial condition, or results of operations.
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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations
The following discussion should be read in conjunction with our unaudited condensed consolidated financial statements and related notes of this Quarterly Report on Form 10-Q and our audited consolidated financial statements and related notes included in our Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024. The following discussion contains forward-looking statements. Actual results may differ significantly from those projected in the forward-looking statements. Factors that might cause future results to differ materially from those projected in the forward-looking statements include, but are not limited to, those discussed in Item 1A, “Risk Factors” included elsewhere within this Form 10-Q. Certain percentage changes may not recalculate due to rounding.
Overview
We are a leading, non-clinical global drug development partner with a mission to create healthier lives. For over 75 years, we have been in the business of providing the research models required in the research and development of new drugs, devices, and therapies. Over this time, we have built upon our original core competency of laboratory animal medicine and science (research model technologies) to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, that supports our clients from target identification through non-clinical development. We also provide a suite of products and services to support our clients’ manufacturing activities. Utilizing our broad portfolio of products and services enables our clients to create a more efficient and flexible drug development model, which reduces their costs, enhances their productivity and effectiveness, and increases speed to market.
Our client base includes major global pharmaceutical companies, many biotechnology companies; agricultural and industrial chemical, life science, veterinary medicine, medical device, diagnostic and consumer product companies; contract research and contract manufacturing organizations; and other commercial entities, as well as leading hospitals, academic institutions, and government agencies around the world.
Segment Reporting
Our three reportable segments are Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing).
Our RMS reportable segment includes the products and services offered within Research Models, Research Model Services, and Cell Solutions. Research Models includes the commercial production and sale of small research models, as well as the supply of large research models. Research Model Services includes: Insourcing Solutions (IS), which provides colony management of our clients’ research operations (including recruitment, training, staffing, and management services) within our clients’ facilities as well as our own vivarium space, utilizing our Charles River Accelerator and Development Lab (CRADL™) offering, Genetically Engineered Models and Services (GEMS), which performs contract breeding and other services associated with genetically engineered models; and Research Animal Diagnostic Services (RADS), which provides health monitoring and diagnostics services related to research models; and Cell Solutions provides controlled, consistent, customized primary cells and blood components derived from normal and mobilized peripheral blood and bone marrow.
Our DSA segment is comprised of Discovery Services and Safety Assessment services. We provide regulated and non-regulated DSA services to support the research, development, and regulatory-required safety testing of potential new drugs, including therapeutic discovery and optimization plus in vitro (non-animal) and in vivo (in research models) studies, laboratory support services, and strategic non-clinical consulting and program management to support product development.
Our Manufacturing reportable segment includes Microbial Solutions, which provides in vitro lot-release testing products, microbial detection products, and species identification services and Biologics Solutions (Biologics), which performs specialized testing of biologics (Biologics Testing Solutions) as well as contract development and manufacturing products and services (CDMO).
U.S. Government Investigations into the Non-Human Primate Supply Chain
On February 16, 2023, the Company was informed by the U.S. Department of Justice (DOJ) that in conjunction with the U.S. Fish and Wildlife Service (USFWS), it had commenced an investigation into the Company’s conduct regarding several shipments of non-human primates from Cambodia. On February 17, 2023 the Company received a grand jury subpoena requesting certain documents related to such investigation. The Company is aware of a parallel civil investigation being undertaken by the DOJ and USFWS. The Company is cooperating with the DOJ and the USFWS and believes that the concerns raised with respect to the Company’s conduct are without merit. The Company maintains a global supplier onboarding and oversight program incorporating risk-based due diligence, auditing, and monitoring practices to help ensure the quality of our supplier relationships and compliance with applicable U.S. and international laws and regulations, and has operated under the belief that all shipments of non-human primates it received satisfied the material requirements, documentation and related processes and procedures of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which guides the release of each import by USFWS. Notwithstanding our efforts and good-faith belief, in connection with the
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
civil investigation, the Company has voluntarily suspended future shipments of non-human primates from Cambodia to the United States until such time that the Company and USFWS can agree upon and implement additional procedures to reasonably ensure that non-human primates imported from Cambodia are purpose-bred. The Company continues to care for the Cambodia-sourced non-human primates from certain shipments in the United States. The carrying value of the inventory related to these shipments is approximately $27 million as of September 28, 2024, which reflects the value of the shipments in accordance with our inventory accounting policy. On May 16, 2023, the Company received an inquiry from the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting it to voluntarily provide information, subsequently augmented with a document subpoena and additional inquiries, primarily related to the sourcing of non-human primates and related disclosures, and the Company is cooperating with these requests. We are not able to predict what action, if any, might be taken in the future by the DOJ, USFWS, SEC or other governmental authorities as a result of the investigations. None of the DOJ, USFWS or SEC has provided the Company with any specific timeline or indication as to when these investigations or, specific to the DOJ and USFWS, discussions regarding future processes and procedures, will be concluded or resolved. The Company cannot predict the timing, outcome or possible impact of the investigations, including without limitation any potential fines, penalties or liabilities. For our assessment of risk factors surrounding the aforementioned matter refer to Item 1A, “Risk Factors” and Item 3, “Legal Proceedings” of our Annual Report on Form 10-K for fiscal year 2023.
Recent Acquisitions
Our strategy is to augment internal growth of existing businesses with complementary acquisitions. Our recent acquisitions are described below.
Fiscal Year 2023 Acquisitions
On November 30, 2023, we completed our acquisition of an additional 41% equity interest of Noveprim Group (“Noveprim”), a leading provider of non-human primates (“NHPs”) used for biomedical, pharmaceutical and toxicological research purposes, resulting in a 90% controlling interest. The acquisition strengthens and diversifies the supply chain for our DSA segment. We had previously acquired a 49% equity stake in 2022 for $90.0 million up-front and additional contingent payments up to $5.0 million based on future performance. The total purchase price for the Noveprim acquisition is $392.4 million, which includes $144.6 million additional cash paid for the 41% equity interest, elimination of historical activity and intercompany balances of $209.5 million which includes a remeasurement gain on the 49% equity investment of $113.0 million, contingent consideration of $33.3 million, deferred purchase price of $12.0 million payable from 2024 through 2027, offset by estimated post-closing adjustments for working capital of $7.0 million. The purchase price reflected an agreement with seller on working capital and debt, which was adjusted from $13.8 million to $7.0 million during the nine months ended September 28, 2024. As a result of measurement period adjustments to the purchase price, goodwill and remeasurement gains on the previous 49% equity investment for the nine months ended September 28, 2024, were increased by $17.6 million and $9.8 million, respectively. The acquisition was funded through a combination of available cash and proceeds from our Credit Facility. This business is reported as part of our DSA reportable segment for NHPs vertically integrated into our Safety Assessment supply chain and the RMS reportable segment for NHPs sold to third party customers.
On January 27, 2023, we acquired SAMDI Tech, Inc., (SAMDI), a leading provider of high-quality, label-free high-throughput screening (HTS) solutions for drug discovery research. The acquisition of SAMDI provided clients with seamless access to the premier, label-free HTS MS platform and created a comprehensive library of drug discovery solutions. The purchase price of SAMDI was $62.8 million, inclusive of a 20% strategic equity interest previously owned by us. The acquisition was funded through a combination of available cash and proceeds from our Credit Facility. This business is reported as part of our DSA reportable segment.
Fiscal Quarters
Our fiscal year is typically based on 52-weeks, with each quarter composed of 13 weeks ending on the last Saturday on, or closest to, March 31, June 30, September 30, and December 31. A 53rd week in the fourth quarter of the fiscal year is occasionally necessary to align with a December 31 calendar year-end.
Global Market Environment
We are seeing a more cautious spending environment from our client base, principally global biopharmaceutical and biotechnology clients within our DSA segment, as they reassess their budgets, reprioritize their drug pipelines, and manage their cost structures. DSA backlog decreased to $2.1 billion as of September 28, 2024 from $2.5 billion as of December 30, 2023.
During the third quarter ended September 28, 2024, a triggering event was identified for the Discovery Services reporting unit (part of the DSA reportable segment). This resulted from a continuous decline in market conditions and operational challenges, ultimately resulting in a reduction of Discovery Services’ long range financial outlook. In response, management conducted a quantitative impairment test for goodwill to determine if the goodwill in the Discovery Services reporting unit was impaired. Upon completion of a quantitative impairment test, it was determined that the fair value of the reporting unit exceeded its
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carrying value by approximately 22%, with a goodwill carrying value of $334.8 million as of September 28, 2024. The reporting unit’s fair value could be adversely affected and result in an impairment of goodwill if actual cash flows are below estimated cash flows, the estimated cash flows are discounted at a higher risk-adjusted rate or market multiples decrease. While the Discovery Services reporting unit is not currently impaired, the Company will continue to closely monitor future performance and any potential impacts on the value of the reporting unit.
In response to recent trends observed across each of our businesses, we have undertaken and will continue to implement restructuring actions at various locations across North America, Europe and Asia. This includes workforce right-sizing actions, resulting in severance and transition costs; and costs related to the consolidation of facilities to optimize our global footprint and drive greater operating efficiency across the Company, resulting in asset impairment, accelerated depreciation, and other site consolidation charges.
During fiscal year 2023, we began taking restructuring actions as a result of these emerging business trends. We incurred restructuring charges of $30.6 million and $65.6 million during the three and nine months ended September 28, 2024, and approximately $95 million since the beginning of fiscal year 2023 through September 28, 2024. We expect that these effectuated actions, as well as other upcoming planned actions designed to optimize our global footprint to drive greater operating efficiency, will result in approximately $200 million of cost savings on an annualized basis, of which approximately $100 million will impact fiscal year 2024.
Results of Operations
Consolidated Results of Operations and Liquidity
Revenue for three months ended September 28, 2024 decreased $16.9 million, or 1.6%, to $1,009.8 million compared to $1,026.6 million in the corresponding period in 2023. Revenue for the nine months ended September 28, 2024 decreased $68.5 million, or 2.2%, to $3,047.4 million compared to $3,115.9 million in the corresponding period in 2023. The decreases in revenue were primarily due to our DSA business which experienced lower volume; partially offset by higher revenue within our Manufacturing businesses and the recent acquisition of Noveprim when compared to the corresponding periods in 2023.
In the three months ended September 28, 2024, our operating income and operating income as a percentage of revenue were $117.4 million and 11.6% respectively, compared with $151.5 million and 14.8% respectively, in the corresponding period of 2023. In the nine months ended September 28, 2024, our operating income and operating income as a percentage of revenue were $395.0 million and 13.0% respectively, compared with $484.3 million and 15.5%, respectively, in the corresponding period of 2023. The decrease in operating income and operating income as a percentage of revenue for the three and nine months ended September 28, 2024 were primarily due to the revenue impacts described above coupled with charges related to recent restructuring activities, including severance, asset impairments, and other site consolidation costs as discussed in Global Market Environment above.
Net income available to Charles River Laboratories International Inc, common shareholders decreased to $68.7 million in the three months ended September 28, 2024, from $87.4 million in the corresponding period of 2023. Net income available to Charles River Laboratories International Inc. common shareholders decreased to $226.0 million in the nine months ended September 28, 2024, from $287.5 million in the corresponding period of 2023. The decreases in net income available to common shareholders were due principally to the decreases in operating income described above.
During the nine months ended September 28, 2024, our cash flows from operations were $575.2 million compared with $463.0 million for the same period in 2023. The increase was driven by favorable performance across our revenue related accounts, including collections on trade receivables, deferred revenue, and customer deposits; benefiting cash provided by operations by $46.6 million; lower inventory of $13.8 million primarily due to lower purchases of inventory supporting our Safety Assessment business, and timing of payments to our suppliers and vendors benefiting our cash provided by operations by $7.1 million.

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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Three Months Ended September 28, 2024 Compared to the Three Months Ended September 30, 2023
Revenue and Operating Income
The following tables present consolidated revenue by type and by reportable segment:
Three Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Service revenue$832,463 $869,759 $(37,296)(4.3)%
Product revenue177,300 156,864 20,436 13.0 %
Total revenue$1,009,763 $1,026,623 $(16,860)(1.6)%
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
RMS$197,824 $186,848 $10,976 5.9 %0.4 %
DSA615,060 664,028 (48,968)(7.4)%0.3 %
Manufacturing196,879 175,747 21,132 12.0 %0.2 %
Total revenue$1,009,763 $1,026,623 $(16,860)(1.6)%0.4 %
The following table presents operating income by reportable segment:
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
RMS$27,544 $28,326 $(782)(2.8)%0.7 %
DSA126,436 146,819 (20,383)(13.9)%0.8 %
Manufacturing40,188 26,275 13,913 53.0 %0.8 %
Unallocated corporate(76,763)(49,918)(26,845)53.8 %0.3 %
Total operating income$117,405 $151,502 $(34,097)(22.5)%1.0 %
Operating income % of revenue11.6 %14.8 %(320) bps
The following presents and discusses our consolidated financial results by each of our reportable segments:
RMS
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$197,824 $186,848 $10,976 5.9 %0.4 %
Cost of revenue (excluding amortization of intangible assets)137,906 126,640 11,266 8.9 %
Selling, general and administrative26,453 26,483 (30)(0.1)%
Amortization of intangible assets5,921 5,399 522 9.7 %
Operating income$27,544 $28,326 $(782)(2.8)%0.7 %
Operating income % of revenue13.9 %15.2 %(130) bps
RMS revenue increased $11.0 million primarily driven by an increase in large research model product revenue, principally due to the recent acquisition of Noveprim, which contributed $9.1 million, an increase in small research model revenue in all geographic areas, and the effect of changes in foreign currency exchange rates; partially offset by a decline in Insourcing Solutions services revenue.
RMS operating income decreased $0.8 million compared to the corresponding period in 2023. RMS operating income as a percentage of revenue for the three months ended September 28, 2024 was 13.9%, a decrease of 130bps from 15.2% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue decreased primarily due to higher amortization related to acquisitions, including an inventory step up recorded in cost of revenue from the Noveprim
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
acquisition, and higher charges related to recent restructuring activities, including severance and site consolidation and impairment charges; partially offset by the positive impacts of the RMS revenue drivers described above.
DSA
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$615,060 $664,028 $(48,968)(7.4)%0.3 %
Cost of revenue (excluding amortization of intangible assets)409,684 436,174 (26,490)(6.1)%
Selling, general and administrative63,260 63,369 (109)(0.2)%
Amortization of intangible assets15,680 17,666 (1,986)(11.2)%
Operating income$126,436 $146,819 $(20,383)(13.9)%0.8 %
Operating income % of revenue20.6 %22.1 %(150) bps
DSA revenue decreased $49.0 million primarily due to decreased revenue in our Safety Assessment business primarily due to declines in volume coupled with a decrease in demand within our Discovery Services business. The impact of a recently divested site related to our Safety Assessment business contributed $1.9 million to the decrease. This was partially offset by the effect of changes in foreign currency exchange rates.
DSA operating income decreased $20.4 million during the three months ended September 28, 2024 compared to the corresponding period in 2023. DSA operating income as a percentage of revenue for the three months ended September 28, 2024 was 20.6%, a decrease of 150 bps from 22.1% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue decreased primarily due to the lower revenue described above, higher severance related to recent restructuring activities, and certain third-party legal costs incurred in connection with the investigations by the U.S. government into the non-human primate supply chain; partially offset by lower site consolidation and impairment charges associated with a Discovery Services site closure which occurred in 2023.
Manufacturing
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$196,879 $175,747 $21,132 12.0 %0.2 %
Cost of revenue (excluding amortization of intangible assets)113,152 101,968 11,184 11.0 %
Selling, general and administrative32,737 36,338 (3,601)(9.9)%
Amortization of intangible assets10,802 11,166 (364)(3.3)%
Operating income$40,188 $26,275 $13,913 53.0 %0.8%
Operating income % of revenue20.4 %15.0 %540 bps
Manufacturing revenue increased $21.1 million primarily due to increased revenue in both our Biologics Solutions and Microbial Solutions businesses driven by increased demand for Biologics Testing and CDMO services, and an increase in endotoxin product revenue.
Manufacturing operating income increased $13.9 million during the three months ended September 28, 2024 compared to the corresponding period in 2023. Manufacturing operating income as a percentage of revenue for the three months ended September 28, 2024 was 20.4%, an increase of 540 bps from 15.0% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue increased primarily due to the higher revenue described above and improved operating leverage.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Unallocated Corporate
Three Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Unallocated corporate$76,763 $49,918 $26,845 53.8 %0.3 %
Unallocated corporate % of revenue7.6 %4.9 %270 bps
Unallocated corporate costs consist of selling, general and administrative expenses that are not directly related or allocated to the reportable segments. The increase in unallocated corporate costs of $26.8 million, or 53.8%, compared to the corresponding period in 2023 is primarily related to higher employee compensation and benefits related costs, including severance related to recent restructuring activities and employee fringe related costs, and the absence of positive net settlements recognized on virtual power purchase agreements for the corresponding period in 2023. Costs as a percentage of revenue for the three months ended September 28, 2024 was 7.6%, an increase of 270 bps from 4.9% for the corresponding period in 2023.
Other Income (Expense)
Three Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Other income (expense):
Interest income$1,528 $1,373 $155 11.3 %
Interest expense(30,284)(33,742)3,458 (10.2)%
Other income (expense), net2,592 (6,260)8,852 (141.4)%
Total other expense, net$(26,164)$(38,629)$12,465 (32.3)%
Interest income for the three months ended September 28, 2024 was $1.5 million, an increase of $0.2 million, or 11.3%, driven primarily from higher interest rates and interest earning asset balances.
Interest expense for the three months ended September 28, 2024 was $30.3 million, a decrease of $3.5 million, or 10.2%, compared to $33.7 million in the corresponding period in 2023. The decrease was due primarily to lower debt balances as we continue to pay down on our revolving credit facility.
Other income, net for the three months ended September 28, 2024 was $2.6 million, an increase of $8.9 million, or 141.4% compared to Other expense, net of $6.3 million for the corresponding period in 2023. The increase was due primarily to net gains on our venture capital investments and life insurance contracts as compared to fiscal year 2023.
Income Taxes
Three Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Provision for income taxes$20,946 $24,852 $(3,906)(15.7)%
Effective tax rate23.0 %22.0 %100 bps
Income tax expense for the three months ended September 28, 2024 was $20.9 million, a decrease of $3.9 million compared to $24.9 million for the corresponding period in 2023. Our effective tax rate was 23.0% for the three months ended September 28, 2024 compared to 22.0% for the corresponding period in 2023. The tax rate increase was primarily attributable to the deferred tax impact of tax law changes enacted during the three months ended September 28, 2024, offset by jurisdictional earnings mix.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Nine Months Ended September 28, 2024 Compared to Nine Months Ended September 30, 2023
Revenue and Operating Income
The following tables present consolidated revenue by type and by reportable segment:
Nine Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Service revenue$2,492,225 $2,602,016 $(109,791)(4.2)%
Product revenue555,215 513,917 41,298 8.0 %
Total revenue
$3,047,440 $3,115,933 $(68,493)(2.2)%
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
RMS$625,120 $596,562 $28,558 4.8 %(0.1)%
DSA1,847,931 1,989,838 (141,907)(7.1)%0.3 %
Manufacturing574,389 529,533 44,856 8.5 %— %
Total revenue$3,047,440 $3,115,933 $(68,493)(2.2)%0.1 %
The following table presents operating income by reportable segment:
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
RMS$100,641 $117,653 $(17,012)(14.5)%(0.3)%
DSA379,651 479,788 (100,137)(20.9)%0.5 %
Manufacturing111,099 52,784 58,315 110.5 %(0.2)%
Unallocated corporate(196,357)(165,886)(30,471)18.4 %0.2 %
Total operating income$395,034 $484,339 $(89,305)(18.4)%0.4 %
Operating income % of revenue13.0 %15.5 %(250) bps
The following presents and discusses our consolidated financial results by each of our reportable segments:
RMS
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$625,120 $596,562 $28,558 4.8 %(0.1)%
Cost of revenue (excluding amortization of intangible assets)421,773 381,332 40,441 10.6 %
Selling, general and administrative84,943 81,194 3,749 4.6 %
Amortization of intangible assets17,763 16,383 1,380 8.4 %
Operating income$100,641 $117,653 $(17,012)(14.5)%(0.3)%
Operating income % of revenue16.1 %19.7 %(360) bps
RMS revenue increased $28.6 million primarily driven by an increase in large research model product revenue, principally due to the recent acquisition of Noveprim, which contributed $30.0 million, and an increase in small research models product revenues across all geographic areas; partially offset by lower Cell Solutions product revenue and Insourcing Solutions services revenue.
RMS operating income decreased $17.0 million compared to the corresponding period in 2023. RMS operating income as a percentage of revenue for the nine months ended September 28, 2024 was 16.1%, a decrease of 360 bps from 19.7% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue decreased primarily due to
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
higher charges related to recent restructuring activities, including severance and site consolidation and impairment charges, higher amortization related to acquisitions, including an inventory step up recorded in cost of revenue from the Noveprim acquisition; partially offset by the impacts of the RMS revenue drivers described above.
DSA
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$1,847,931 $1,989,838 $(141,907)(7.1)%0.3 %
Cost of revenue (excluding amortization of intangible assets)1,246,560 1,268,248 (21,688)(1.7)%
Selling, general and administrative174,598 189,076 (14,478)(7.7)%
Amortization of intangible assets47,122 52,726 (5,604)(10.6)%
Operating income$379,651 $479,788 $(100,137)(20.9)%0.5 %
Operating income % of revenue20.5 %24.1 %(360) bps
DSA revenue decreased $141.9 million primarily due to decreased revenue in our Safety Assessment and Discovery Services businesses due to decreased volume and the impact of a recently divested site related to our Safety Assessment business contributed $7.1 million to the decrease; partially offset by the effect of changes in foreign currency exchange rates.
DSA operating income decreased $100.1 million compared to the corresponding period in 2023. DSA operating income as a percentage of revenue for the nine months ended September 28, 2024 was 20.5%, a decrease of 360 bps from 24.1% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue decreased primarily due to the lower revenue described above, higher severance related to recent restructuring activities, an adjustment to contingent consideration associated with the acquisition of Noveprim, and certain third-party legal costs incurred in connection with the investigations by the U.S. government into the non-human primate supply chain; partially offset by lower site consolidation and impairment charges compared to the corresponding period in 2023.
Manufacturing
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Revenue$574,389 $529,533 $44,856 8.5 %— %
Cost of revenue (excluding amortization of intangible assets)331,530 327,882 3,648 1.1 %
Selling, general and administrative99,397 114,556 (15,159)(13.2)%
Amortization of intangible assets32,363 34,311 (1,948)(5.7)%
Operating income$111,099 $52,784 $58,315 110.5 %(0.2)%
Operating income % of revenue19.3 %10.0 %930 bps
Manufacturing revenue increased $44.9 million primarily due to increased revenue in both our Biologics Solutions and Microbial Solutions businesses, driven by increased demand for Biologics Testing and CDMO services and higher endotoxin product revenue.
Manufacturing operating income increased $58.3 million compared to the corresponding period in 2023. Manufacturing operating income as a percentage of revenue for the nine months ended September 28, 2024 was 19.3%, an increase of 930 bps from 10.0% for the corresponding period in 2023. Operating income and operating income as a percentage of revenue increased primarily due to the higher revenue described above and improved operating leverage as well as lower legal costs from an environmental litigation related to the Microbial Solutions business incurred compared to the corresponding period in 2023.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Unallocated Corporate
Nine Months Ended
September 28, 2024September 30, 2023$ change% changeImpact of FX
(in thousands, except percentages)
Unallocated corporate$196,357 $165,886 $30,471 18.4 %0.2 %
Unallocated corporate % of revenue6.4 %5.3 %110 bps
Unallocated corporate costs consist of selling, general and administrative expenses that are not directly related or allocated to the reportable segments. The increase in unallocated corporate costs of $30.5 million, or 18.4%, compared to the corresponding period in 2023 is primarily related to higher employee compensation and benefits related costs, including severance related to recent restructuring activities and employee fringe related costs, and the absence of positive net settlements recognized on virtual power purchase agreements for the corresponding period in 2023. Costs as a percentage of revenue for the nine months ended September 28, 2024 were 6.4%, an increase of 110 bps from 5.3% for the corresponding period in 2023.
Other Income (Expense)
Nine Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Other income (expense):
Interest income$6,740 $3,605 $3,135 87.0 %
Interest expense(98,054)(103,166)5,112 (5.0)%
Other income (expense), net6,185 (12,200)18,385 (150.7)%
Total other expense, net$(85,129)$(111,761)$26,632 (23.8)%
Interest income for the nine months ended September 28, 2024 was $6.7 million, an increase of $3.1 million, or 87.0%, driven primarily from higher interest rates.
Interest expense for the nine months ended September 28, 2024 was $98.1 million, a decrease of $5.1 million, or 5.0%, compared to $103.2 million in the corresponding period in 2023. The decrease was due primarily to lower debt balances as we continue to pay down our revolving credit facility.
Other income, net for the nine months ended September 28, 2024 was $6.2 million, an increase of $18.4 million, or 150.7%, compared to Other expense, net of $12.2 million for the corresponding period in 2023. The increase was due primarily to venture capital investment gains of $8.4 million as compared to losses of $14.3 million in the corresponding period in 2023.
Income Taxes
Nine Months Ended
September 28, 2024September 30, 2023$ change% change
(in thousands, except percentages)
Provision for income taxes$70,867 $81,160 $(10,293)(12.7)%
Effective tax rate22.9 %21.8 %110 bps
Income tax expense for the nine months ended September 28, 2024 was $70.9 million, a decrease of $10.3 million compared to $81.2 million for the corresponding period in 2023. Our effective tax rate was 22.9% for the nine months ended September 28, 2024 compared to 21.8% for the corresponding period in 2023. The increase in our effective tax rate in the nine months ended September 28, 2024 compared to the corresponding period in 2023 was primarily attributable to deferred tax impact of enacted tax law changes, as well as decreased tax benefits from stock-based compensation deductions in the nine months ended September 28, 2024, offset by jurisdictional earnings mix.
Our global operations make the effective tax rate sensitive to significant tax law changes. Several countries where we operate have enacted legislation implementing the Organization for Economic Cooperation and Development’s (OECD) international tax framework, including the Pillar II global minimum tax rate with effect from January 1, 2024 or later. We continue to monitor future legislation on Pillar II, however, the Pillar II associated tax expense accrued for the nine months ended September 28, 2024, is not material to the unaudited consolidated financial statements.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Liquidity and Capital Resources
Liquidity and Cash Flows
We currently require cash to fund our working capital needs, capital expansion, acquisitions, debt payments, lease, venture capital investment, restructuring initiatives, and pension obligations. Our principal sources of liquidity have been our cash flows from operations supplemented by long-term borrowings. Based on our current business plan, we believe that our existing funds, when combined with cash generated from operations and our access to financing resources, are sufficient to fund our operations for the foreseeable future.
The following table presents our cash, cash equivalents and short-term investments:
September 28, 2024December 30, 2023
(in thousands)
Cash and cash equivalents:
Held in U.S. entities$8,273 $2,234 
Held in non-U.S. entities201,898 274,537 
Total cash and cash equivalents210,171 276,771 
Short-term investments:
Held in non-U.S. entities69 68 
Total cash, cash equivalents and short-term investments$210,240 $276,839 
The following table presents our net cash provided by operating activities:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Net income$239,038 $291,418 
Adjustments to reconcile net income to net cash provided by operating activities324,110 312,306 
Changes in assets and liabilities12,067 (140,769)
Net cash provided by operating activities$575,215 $462,955 
Net cash provided by cash flows from operating activities represents the cash receipts and disbursements related to all of our activities other than investing and financing activities. Operating cash flow is derived by adjusting our net income for (1) non-cash operating items such as depreciation and amortization, stock-based compensation, and other financing costs, deferred income taxes, gains and/or losses on venture capital and strategic equity investments, gains and/or losses on divestitures, contingent consideration, as well as (2) changes in operating assets and liabilities, which reflect timing differences between the receipt and payment of cash associated with transactions and when they are recognized in our results of operations.
For the nine months ended September 28, 2024, compared to corresponding period in 2023, the increase in net cash provided by operating activities was primarily driven by favorable performance across our revenue related accounts, including collections on trade receivables, deferred revenue, and customer deposits; benefiting cash provided by operations by $46.6 million; lower inventory of $13.8 million primarily due to lower purchases of inventory supporting our Safety Assessment business, and timing of payments to our suppliers and vendors benefiting our cash provided by operations by $7.1 million.
The following table presents our net cash used in investing activities:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Acquisition of businesses and assets, net of cash acquired$(5,479)$(50,166)
Capital expenditures(157,351)(240,205)
Investments, net(5,794)(32,369)
Other, net(358)(2,044)
Net cash used in investing activities$(168,982)$(324,784)
Investing activities primarily consist of cash used to fund capital expenditures to support the growth of our business, purchases and sales of investments related to our venture capital and strategic equity investment portfolios, and asset and business acquisitions.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
For the nine months ended September 28, 2024, cash used in investing activities was primarily driven by capital expenditures, an immaterial asset acquisition, and net purchases and sales in investments related to certain venture capital and strategic equity investments. The Company experienced declines in capital expenditures for the nine months ended September 28, 2024 as compared to the same period in 2023, primarily as a result of disciplined spend management in light of the global economic environment.
For the nine months ended September 30, 2023, cash used in investing activities was primarily driven by capital expenditures to support the growth of the business, the acquisition of SAMDI, and net purchases and sales of investments related to certain venture capital and strategic equity investments.
The following table presents our net cash used in financing activities:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Proceeds from long-term debt and revolving credit facility$976,783 $333,034 
Proceeds from exercises of stock options 23,110 19,658 
Payments on long-term debt, revolving credit facility, and finance lease obligations
(1,316,990)(530,909)
Purchase of treasury stock(119,051)(24,016)
Purchases of additional equity interests, net(12,000)— 
Payment of contingent considerations— (2,711)
Other, net(26,900)(4,145)
Net cash used in financing activities$(475,048)$(209,089)
Financing activities primarily consist of the proceeds and repayments of debt and certain equity related transactions including treasury stock purchases and employee stock option exercises. For the nine months ended September 28, 2024, net cash used in financing activities was primarily driven by the following activity:
•Net repayments of $346.2 million towards our Credit Facility
•Treasury stock purchases of $100.7 million associated with our stock repurchase program and $18.4 million due to the netting of common stock upon vesting of stock-based awards in order to satisfy individual statutory tax withholding requirements
•Net proceeds from exercises of employee stock options of $23.1 million
•Net dividend payments to noncontrolling interest holders of $14.5 million
For the nine months ended September 30, 2023, net cash used in financing activities was primarily driven by the following activity:
•Net repayments of $195 million towards our Credit Facility
•Treasury stock purchases of $24.0 million made due to the netting of common stock upon vesting of stock-based awards in order to satisfy individual statutory tax withholding requirements
•Net proceeds from exercises of employee stock options of $19.7 million
Financing and Market Risk
We are exposed to market risk from changes in interest rates and currency exchange rates, which could affect our future results of operations and financial condition. We manage our exposure to these risks through our regular operating and financing activities.
Amounts outstanding under our Credit Facility and our Senior Notes were as follows:
September 28, 2024December 30, 2023
(in thousands)
Revolving facility$794,290 $1,129,243 
4.25% Senior Notes due 2028500,000 500,000 
3.75% Senior Notes due 2029500,000 500,000 
4.00% Senior Notes due 2031500,000 500,000 
Total$2,294,290 $2,629,243 
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
The Credit Facility has a maturity date of April 2026, with no required scheduled payment before that date. The interest rates applicable to the Credit Facility are equal to (A) for revolving loans denominated in U.S. dollars, at our option, either the base rate (which is the higher of (1) the prime rate, (2) the federal funds rate plus 0.50%, or (3) the one-month adjusted term SOFR rate plus 1%) or the adjusted term SOFR rate, (B) for revolving loans denominated in euros, the adjusted EURIBOR rate and (C) for revolving loans denominated in sterling, the daily simple SONIA rate, in each case, plus an interest rate margin based upon our leverage ratio.
We have an interest rate swap with a notional amount of $500 million to manage interest rate fluctuation related to our floating rate borrowings under the Credit Facility, at a fixed rate of 4.65% on our swap maturing November 2, 2024. We have not entered into any additional interest rate swap contracts.
Our off-balance sheet commitments related to our outstanding letters of credit as of September 28, 2024 and December 30, 2023 were $21.2 million and $21.6 million, respectively.
Foreign Currency Exchange Rate Risk
We operate on a global basis and have exposure to foreign currency exchange rate fluctuations for our financial position, results of operations, and cash flows.
While the financial results of our global activities are reported in U.S. dollars, our foreign subsidiaries typically conduct their operations in their respective local currency. The principal functional currencies of the Company’s foreign subsidiaries are the Euro, British Pound, Canadian Dollar, and Mauritian Rupee. During the nine months ended September 28, 2024, the most significant drivers of foreign currency translation adjustment the Company recorded as part of Other comprehensive income (loss) were the British Pound, Mauritian Rupee, Euro, and Canadian Dollar.
Fluctuations in the foreign currency exchange rates of the countries in which we do business will affect our financial position, results of operations, and cash flows. As the U.S. dollar strengthens against other currencies, the value of our non-U.S. revenue, expenses, assets, liabilities, and cash flows will generally decline when reported in U.S. dollars. The impact to net income as a result of a U.S. dollar strengthening will be partially mitigated by the value of non-U.S. expenses, which will decline when reported in U.S. dollars. As the U.S. dollar weakens versus other currencies, the value of the non-U.S. revenue, expenses, assets, liabilities, and cash flows will generally increase when reported in U.S. dollars. For the nine months ended September 28, 2024, our revenue would have decreased by $96.8 million, and our operating income would have decreased by $5.8 million, if the U.S. dollar exchange rate had strengthened by 10%, with all other variables held constant.
We attempt to minimize this exposure by using certain financial instruments in accordance with our overall risk management and our hedge policy. We do not enter into speculative derivative agreements.
Repurchases of Common Stock
On August 2, 2024, our Board of Directors approved a stock repurchase authorization of $1 billion. This authorization fully replaces a prior stock repurchase authorization of $1.3 billion that had $129.1 million remaining when it was terminated and we did not repurchase any shares under the prior program during the nine months ended September 28, 2024.
During the three and nine months ended September 28, 2024, we repurchased 0.5 million shares of common stock for $100.7 million under the new stock repurchase program. As of September 28, 2024, we had $899.3 million remaining on the current authorized stock repurchase program.
Additionally, our stock-based compensation plans permit the netting of common stock upon vesting of restricted stock, restricted stock units, and performance share units in order to satisfy individual statutory tax withholding requirements. During the nine months ended September 28, 2024, we acquired 0.1 million shares for $18.4 million through such netting.
Critical Accounting Policies and Estimates
Our discussion and analysis of our financial condition and results of operations is based upon our consolidated financial statements prepared in accordance with generally accepted accounting principles in the U.S. The preparation of these financial statements requires us to make certain estimates and assumptions that may affect the reported amounts of assets and liabilities, the reported amounts of revenues and expenses during the reported periods, and the related disclosures. These estimates and assumptions are monitored and analyzed by us for changes in facts and circumstances, and material changes in these estimates could occur in the future. We base our estimates on our historical experience, trends in the industry, and various other factors that are believed to be reasonable under the circumstances. Actual results may differ from our estimates under different assumptions or conditions.
We believe that the application of our accounting policies, each of which require significant judgments and estimates on the part of management, are the most critical to aid in fully understanding and evaluating our reported financial results. Our significant accounting policies are more fully described in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
February 14, 2024. There have been no changes in the Company’s critical accounting policies during the nine months ended September 28, 2024.
Recent Accounting Pronouncements
For a discussion of recent accounting pronouncements please refer to Note 1, “Basis of Presentation,” in this Quarterly Report on Form 10-Q. Other than as discussed in Note 1, “Basis of Presentation,” we did not adopt any other new accounting pronouncements during the nine months ended September 28, 2024 that had a significant effect on our unaudited condensed consolidated financial statements included in this Quarterly Report on Form 10-Q.
Item 3. Quantitative and Qualitative Disclosures about Market Risk
The Company’s exposure to market risk from changes in interest rates and currency exchange rates has not changed materially from its exposure discussed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 30, 2023 as filed with the SEC on February 14, 2024. Our interest rate and currency exchange rate risks are fully described in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources” of our Annual Report on Form 10-K for fiscal year 2023 and in Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources” herein.
Item 4. Controls and Procedures
(a)  Evaluation of Disclosure Controls and Procedures
Based on their evaluation, required by paragraph (b) of Rules 13a-15 or 15d-15, promulgated by the Securities Exchange Act of 1934, as amended (Exchange Act), the Company’s principal executive officer and principal financial officer have concluded that the Company’s disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act, are effective, at a reasonable assurance level, as of September 28, 2024, to ensure that information required to be disclosed by the Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, our management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurances of achieving the desired control objectives, and management necessarily was required to apply its judgment in designing and evaluating the controls and procedures.
(b) Changes in Internal Controls Over Financial Reporting
There were no material changes in the Company’s internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of the Exchange Act Rules 13a-15 or 15d-15 that occurred during the quarter ended September 28, 2024 that materially affected, or were reasonably likely to materially affect, the Company’s internal control over financial reporting.
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CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PART II. OTHER INFORMATION
Item 1. Legal Proceedings
On February 16, 2023, the Company was informed by the U.S. Department of Justice (DOJ) that in conjunction with the U.S. Fish and Wildlife Service (USFWS), it had commenced an investigation into the Company’s conduct regarding several shipments of non-human primates from Cambodia. On February 17, 2023 the Company received a grand jury subpoena requesting certain documents related to such investigation. The Company is aware of a parallel civil investigation being undertaken by the DOJ and USFWS. The Company is cooperating with the DOJ and the USFWS and believes that the concerns raised with respect to the Company’s conduct are without merit. The Company maintains a global supplier onboarding and oversight program incorporating risk-based due diligence, auditing, and monitoring practices to help ensure the quality of our supplier relationships and compliance with applicable U.S. and international laws and regulations, and has operated under the belief that all shipments of non-human primates it received satisfied the material requirements, documentation and related processes and procedures of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which guides the release of each import by USFWS. Notwithstanding our efforts and good-faith belief, in connection with the civil investigation, the Company has voluntarily suspended future shipments of non-human primates from Cambodia to the United States until such time that the Company and USFWS can agree upon and implement additional procedures to reasonably ensure that non-human primates imported from Cambodia are purpose-bred. The Company continues to care for the Cambodia-sourced non-human primates from certain shipments in the United States. The carrying value of the inventory related to these shipments is approximately $27 million as of September 28, 2024, which reflects the value of the shipments in accordance with the Company’s inventory accounting policy. On May 16, 2023, the Company received an inquiry from the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting it to voluntarily provide information, subsequently augmented with a document subpoena and additional inquiries, primarily related to the sourcing of non-human primates and related disclosures, and the Company is cooperating with these requests. We are not able to predict what action, if any, might be taken in the future by the DOJ, USFWS, SEC or other governmental authorities as a result of the investigations. None of the DOJ, USFWS or SEC has provided the Company with any specific timeline or indication as to when these investigations or, specific to the DOJ and USFWS, discussions regarding future processes and procedures, will be concluded or resolved. The Company cannot predict the timing, outcome or possible impact of the investigations, including without limitation any potential fines, penalties or liabilities.
A putative securities class action (Securities Class Action) was filed on May 19, 2023 against the Company and a number of its current/former officers in the United States District Court for the District of Massachusetts. On August 31, 2023, the court appointed the State Teachers Retirement System of Ohio as lead plaintiff. An amended complaint was filed on November 14, 2023 that, among other things, included only James Foster, the Chief Executive Officer and David R. Smith, the former Chief Financial Officer as defendants along with the Company. The amended complaint asserts claims under §§ 10(b) and 20(a) of the Securities Exchange Act of 1934 (the Exchange Act) on behalf of a putative class of purchasers of Company securities from May 5, 2020 through February 21, 2023, alleging that certain of the Company’s disclosures about its practices with respect to the importation of non-human primates made during the putative class period were materially false or misleading. On July 1, 2024, the court dismissed the complaint, denied the plaintiff’s informal request for leave to amend, and entered judgment for defendants. On July 30, 2024 the plaintiff filed a notice of appeal in the United States Court of Appeals for the First Circuit. While the Company cannot predict the final outcome of this matter, it believes the class action to be without merit and plans to vigorously defend against it. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with this matter.
On November 8, 2023, a stockholder filed a derivative lawsuit in the U.S. District Court of the District of Delaware asserting claims on the Company’s behalf against the members of the Company’s Board of Directors and certain of the Company’s current/former officers (James Foster, the Chief Executive Officer; David R. Smith, the former Chief Financial Officer; and Flavia Pease, the current Chief Financial Officer). The complaint alleges that the defendants breached their fiduciary duties to the Company and its stockholders because certain of the Company’s disclosures about its practices with respect to the importation of non-human primates were materially false or misleading. The complaint also alleges that the defendants breached their fiduciary duties by causing the Company to fail to maintain adequate internal controls over securities disclosure and compliance with applicable law and by failing to comply with the company’s Code of Business Conduct and Ethics. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. On August 2, 2024, a different stockholder filed a lawsuit in the U.S. District Court of Delaware asserting similar derivative claims on the Company’s behalf against members of the Company’s current and former Board of Directors and the same current/former officers based on similar allegations of purportedly misleading disclosures and non-compliance with legal rules and ethics standards in respect of the importation of non-human primates, as well as insider-trading claims against certain of the defendants. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. While the Company cannot predict the outcome of these matters, it believes the derivative lawsuits to be without merit
40
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
and plans to vigorously defend against them. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with these matters.
Item 1A. Risk Factors
In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for fiscal year 2023, which could materially affect our business, financial condition, and/or future results. The risks described in our Annual Report on Form 10-K are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition, and/or operating results. There have been no material changes to the risk factors set forth in our Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
The following table provides information relating to the purchases of shares of our common stock during the three months ended September 28, 2024.
Total Number
of Shares
Purchased
Average
Price Paid
per Share (1)
Total Number of
Shares Purchased
as Part of Publicly
Announced Plans
or Programs		Approximate Dollar
Value of Shares
That May Yet Be
Purchased Under
the Plans or Programs
(in thousands)
June 30, 2024 to July 27, 202480 $205.00 — $129,105 
July 28, 2024 to August 24, 2024500,101 201.36 500,000 899,326 
August 25, 2024 to September 28, 2024356 197.75 — 899,326 
Total500,537  500,000  
(1) The average price paid per share excludes $0.6 million of excise taxes incurred on share repurchases for the three months ended September 28, 2024.
On August 2, 2024, our Board of Directors approved a stock repurchase authorization of $1 billion. This authorization fully replaces a prior stock repurchase authorization of $1.3 billion that had $129.1 million remaining when it was terminated. During the three and nine months ended September 28, 2024, we repurchased 0.5 million shares of common stock for $100.7 million under the new stock repurchase program. As of September 28, 2024, we had $899.3 million remaining on the current authorized stock repurchase program.
Additionally, our stock-based compensation plans permit the netting of common stock upon vesting of restricted stock, restricted stock units, and performance share units in order to satisfy individual statutory tax withholding requirements.
Item 5. Other Information
During the quarter ended September 28, 2024, none of our officers or directors adopted or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K, except as follows:
•On August 19, 2024, George Massaro, one of our directors, entered into a Rule 10b5-1 trading arrangement for the sale of up to 280 shares of common stock, in connection with the vesting of 559 RSUs in May 2025, subject to certain conditions. The arrangement’s expiration date is May 18, 2025.

41
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Item 6. Exhibits
(a) ExhibitsDescription of Exhibits
31.1
31.2
32.1+
101.INS eXtensible Business Reporting Language (XBRL) Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH XBRL Taxonomy Extension Schema Document
101.CAL XBRL Taxonomy Calculation Linkbase Document
101.DEF XBRL Taxonomy Definition Linkbase Document
101.LAB XBRL Taxonomy Label Linkbase Document
101.PRE XBRL Taxonomy Presentation Linkbase Document
+ Furnished herein.

42
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SIGNATURES
    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
    
 CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
November 6, 2024/s/ JAMES C. FOSTER
James C. Foster
Chairman, President and Chief Executive Officer
November 6, 2024/s/ FLAVIA H. PEASE
Flavia H. Pease
Corporate Executive Vice President and Chief Financial Officer

43

Exhibit 31.1
CERTIFICATION PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
AND RULE 13a-14(a)/15d-14(a) OF THE EXCHANGE ACT OF 1934
I, James C. Foster, Chairman, President and Chief Executive Officer of Charles River Laboratories International, Inc. (the registrant) certify that:
1.    I have reviewed this quarterly report on Form 10-Q for the quarter ended September 28, 2024 of the registrant;
2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.    The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
a.    designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
b.    designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
c.    evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and
d.    disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
5.    The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):
a.    all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
b.    any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.
/s/ James C. Foster
November 6, 2024
James C. Foster
Chairman, President and Chief Executive Officer
Charles River Laboratories International, Inc.



Exhibit 31.2
CERTIFICATION PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
AND RULE 13a-14(a)/15d-14(a) OF THE EXCHANGE ACT OF 1934
I, Flavia H. Pease, Corporate Executive Vice President and Chief Financial Officer of Charles River Laboratories International, Inc. (the registrant) certify that:
1.    I have reviewed this quarterly report on Form 10-Q for the quarter ended September 28, 2024 of the registrant;
2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.    The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
a.    designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
b.    designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
c.    evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and
d.    disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
5.    The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):
a.    all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
b.    any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.
/s/ Flavia H. Pease
November 6, 2024
Flavia H. Pease
Corporate Executive Vice President and Chief Financial Officer
Charles River Laboratories International, Inc.



Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report on Form 10-Q for the quarter ended September 28, 2024 of Charles River Laboratories International, Inc. (the “Company”) as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, James C. Foster, Chairman, President and Chief Executive Officer of the Company, and Flavia H. Pease, Corporate Executive Vice President and Chief Financial Officer of the Company, each hereby certifies, to the best of his knowledge and pursuant to 18 U.S.C. Section 1350, that:
(1)    the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (the “Exchange Act”); and
(2)    the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ James C. Foster
November 6, 2024
James C. Foster
Chairman, President and Chief Executive Officer
Charles River Laboratories International, Inc.
/s/ Flavia H. Pease
November 6, 2024

Flavia H. Pease
Corporate Executive Vice President and Chief Financial Officer
Charles River Laboratories International, Inc.

This certification shall not be deemed "filed" for any purpose, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act.

v3.24.3
Cover Page - shares
 9 Months Ended
Sep. 28, 2024
Oct. 26, 2024
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 28, 2024  
Document Transition Report false  
Entity File Number 001-15943  
Entity Registrant Name CHARLES RIVER LABORATORIES INTERNATIONAL, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 06-1397316  
Entity Address, Address Line One 251 Ballardvale Street  
Entity Address, City or Town Wilmington  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01887  
City Area Code 781  
Local Phone Number 222-6000  
Title of 12(b) Security Common stock, $0.01 par value  
Trading Symbol CRL  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Smaller Reporting Company false  
Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   51,136,178
Entity Central Index Key 0001100682  
Current Fiscal Year End Date --12-28  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Amendment Flag false  
v3.24.3
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Total revenue $ 1,009,763 $ 1,026,623 $ 3,047,440 $ 3,115,933
Costs and expenses        
Cost of revenue (excluding amortization of intangible assets) 660,742 664,783 1,999,863 1,977,462
Selling, general and administrative 199,213 176,109 555,295 550,713
Amortization of intangible assets 32,403 34,229 97,248 103,419
Operating income 117,405 151,502 395,034 484,339
Other income (expense)        
Interest income 1,528 1,373 6,740 3,605
Interest expense (30,284) (33,742) (98,054) (103,166)
Other income (expense), net 2,592 (6,260) 6,185 (12,200)
Income before income taxes 91,241 112,873 309,905 372,578
Provision for income taxes 20,946 24,852 70,867 81,160
Net income 70,295 88,021 239,038 291,418
Less: Net income attributable to noncontrolling interests 638 632 2,340 3,878
Net income attributable to Charles River Laboratories International Inc. 69,657 87,389 236,698 287,540
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders        
Net income attributable to Charles River Laboratories International Inc. 69,657 87,389 236,698 287,540
Less: Adjustment of redeemable noncontrolling interest 379 0 1,081 0
Less: Incremental dividends attributed to noncontrolling interest holders 599 0 9,621 0
Net income available to Charles River Laboratories International Inc. common shareholders $ 68,679 $ 87,389 $ 225,996 $ 287,540
Earnings per common share        
Basic (in dollars per share) $ 1.34 $ 1.70 $ 4.39 $ 5.62
Diluted (in dollars per share) $ 1.33 $ 1.69 $ 4.37 $ 5.58
Weighted-average number of common shares outstanding        
Basic (in shares) 51,394 51,283 51,461 51,199
Diluted (in shares) 51,583 51,607 51,713 51,493
Service        
Total revenue $ 832,463 $ 869,759 $ 2,492,225 $ 2,602,016
Costs and expenses        
Cost of revenue (excluding amortization of intangible assets) 568,699 587,560 1,724,246 1,731,136
Product        
Total revenue 177,300 156,864 555,215 513,917
Costs and expenses        
Cost of revenue (excluding amortization of intangible assets) $ 92,043 $ 77,223 $ 275,617 $ 246,326
v3.24.3
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Statement of Comprehensive Income [Abstract]        
Net income $ 70,295 $ 88,021 $ 239,038 $ 291,418
Other comprehensive income (loss):        
Foreign currency translation adjustment 85,018 (63,997) 500 (17,457)
Amortization of net loss, settlement losses, and prior service benefit included in total cost for pension and other post-retirement benefit plans 352 177 1,038 521
Unrealized gains (losses) on hedging instruments (1,060) 539 (688) 5,183
Other comprehensive income (loss), before income taxes 84,310 (63,281) 850 (11,753)
Less: Income tax expense (benefit) related to items of other comprehensive income 8,348 (3,292) 848 (3,393)
Comprehensive income, net of income taxes 146,257 28,032 239,040 283,058
Less: Comprehensive income (loss) related to noncontrolling interests, net of income taxes (238) 440 (1,214) 1,527
Comprehensive income attributable to Charles River Laboratories International, Inc., net of income taxes $ 146,495 $ 27,592 $ 240,254 $ 281,531
v3.24.3
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Current assets:    
Cash and cash equivalents $ 210,171 $ 276,771
Trade receivables and contract assets, net of allowances for credit losses of $23,877 and $25,722, respectively 754,207 780,375
Inventories 336,200 380,259
Prepaid assets 92,631 87,879
Other current assets 101,514 83,378
Total current assets 1,494,723 1,608,662
Property, plant and equipment, net 1,639,978 1,639,741
Venture capital and strategic equity investments 235,987 243,811
Operating lease right-of-use assets, net 385,133 394,029
Goodwill 3,124,592 3,095,045
Intangible assets, net 778,461 864,051
Deferred tax assets 37,963 40,279
Other assets 307,005 309,383
Total assets 8,003,842 8,195,001
Current liabilities:    
Accounts payable 135,963 168,937
Accrued compensation 211,077 213,290
Deferred revenue 251,968 241,820
Accrued liabilities 208,124 227,825
Other current liabilities 205,089 203,210
Total current liabilities 1,012,221 1,055,082
Long-term debt, net and finance leases 2,326,653 2,647,147
Operating lease right-of-use liabilities 432,836 419,234
Deferred tax liabilities 167,746 191,349
Other long-term liabilities 236,669 223,191
Total liabilities 4,176,125 4,536,003
Commitments and contingencies (Notes 2, 11, 13, and 15)
Redeemable noncontrolling interest 40,590 56,722
Equity:    
Preferred stock, $0.01 par value; 20,000 shares authorized; no shares issued and outstanding 0 0
Common stock, $0.01 par value; 120,000 shares authorized; 51,718 shares issued and 51,134 shares outstanding as of September 28, 2024, and 51,338 shares issued and outstanding as of December 30, 2023 517 513
Additional paid-in capital 1,971,413 1,905,578
Retained earnings 2,122,835 1,887,218
Treasury stock, at cost, 584 and zero shares, as of September 28, 2024 and December 30, 2023, respectively (119,621) 0
Accumulated other comprehensive loss (192,871) (196,427)
Total Charles River Laboratories International, Inc. equity 3,782,273 3,596,882
Nonredeemable noncontrolling interests 4,854 5,394
Total equity 3,787,127 3,602,276
Total liabilities, noncontrolling interests and equity $ 8,003,842 $ 8,195,001
v3.24.3
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Statement of Financial Position [Abstract]    
Less: Allowance for credit losses $ 23,877 $ 25,722
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 20,000,000 20,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 120,000,000 120,000,000
Common stock, shares issued (in shares) 51,718,000 51,338,000
Common stock, shares outstanding (in shares) 51,134,000 51,338,000
Treasury stock, shares (in shares) 584,000 0
v3.24.3
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Cash flows relating to operating activities    
Net income $ 239,038 $ 291,418
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 259,637 233,610
Stock-based compensation 52,656 52,527
Deferred income taxes (25,988) (28,251)
Long-lived asset impairment charges 17,339 26,202
(Gain) loss on venture capital & strategic equity investments, net (8,788) 9,246
Provision for credit losses 8,223 11,030
Loss on divestitures, net 659 995
Other, net 20,372 6,947
Changes in assets and liabilities:    
Trade receivables and contract assets, net 18,300 (59,081)
Inventories 13,789 (44,126)
Accounts payable (7,095) (26,531)
Accrued compensation (1,981) 28,438
Deferred revenue 13,583 (9,997)
Customer contract deposits 14,707 (21,534)
Other assets and liabilities, net (39,236) (7,938)
Net cash provided by operating activities 575,215 462,955
Cash flows relating to investing activities    
Acquisition of businesses and assets, net of cash acquired (5,479) (50,166)
Capital expenditures (157,351) (240,205)
Purchases of investments and contributions to venture capital investments (45,264) (36,322)
Proceeds from sale of investments 39,470 3,953
Other, net (358) (2,044)
Net cash used in investing activities (168,982) (324,784)
Cash flows relating to financing activities    
Proceeds from long-term debt and revolving credit facility 976,783 333,034
Proceeds from exercises of stock options 23,110 19,658
Payments on long-term debt, revolving credit facility, and finance lease obligations (1,316,990) (530,909)
Purchase of treasury stock (119,051) (24,016)
Payments of contingent consideration 0 (2,711)
Purchase of remaining equity interest of other redeemable noncontrolling interest (12,000) 0
Other, net (26,900) (4,145)
Net cash used in financing activities (475,048) (209,089)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash (4,025) (4,680)
Net change in cash, cash equivalents, and restricted cash (72,840) (75,598)
Cash, cash equivalents, and restricted cash, beginning of period 284,480 241,214
Cash, cash equivalents, and restricted cash, end of period $ 211,640 $ 165,616
v3.24.3
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS (UNAUDITED) - USD ($)
$ in Thousands
Total
Total Charles River Laboratories, Inc. Equity
Common Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Treasury Stock
Noncontrolling Interest
Beginning balance at Dec. 31, 2022 $ 42,427              
Increase (Decrease) in Temporary Equity                
Net income 322              
Other comprehensive (loss), net of tax 186              
Ending balance at Apr. 01, 2023 42,935              
Beginning balance (in shares) at Dec. 31, 2022     50,944,000          
Beginning balance at Dec. 31, 2022 2,981,078 $ 2,976,293 $ 509 $ 1,804,940 $ 1,432,901 $ (262,057) $ 0 $ 4,785
Beginning balance (in shares) at Dec. 31, 2022             0  
Increase (Decrease) in Stockholders' Equity                
Net income 103,632 103,131     103,131     501
Other comprehensive (loss), net of tax 22,933 22,933       22,933    
Issuance of stock under employee compensation plans (in shares)     316,000          
Issuance of stock under employee compensation plans 11,792 11,792 $ 3 11,789        
Purchase of treasury shares (in shares)             78,000  
Purchase of treasury shares (19,012) (19,012)         $ (19,012)  
Stock-based compensation 13,460 13,460   13,460        
Ending balance (in shares) at Apr. 01, 2023     51,260,000          
Ending balance at Apr. 01, 2023 3,113,883 3,108,597 $ 512 1,830,189 1,536,032 (239,124) $ (19,012) 5,286
Ending balance (in shares) at Apr. 01, 2023             78,000  
Increase (Decrease) in Temporary Equity                
Net income 1,857              
Other comprehensive (loss), net of tax (2,345)              
Ending balance at Jul. 01, 2023 42,447              
Increase (Decrease) in Stockholders' Equity                
Net income 97,586 97,020     97,020     566
Other comprehensive (loss), net of tax 30,855 30,855       30,855    
Issuance of stock under employee compensation plans (in shares)     110,000          
Issuance of stock under employee compensation plans 3,927 3,927 $ 1 3,926        
Purchase of treasury shares (in shares)             26,000  
Purchase of treasury shares (4,966) (4,966)         $ (4,966)  
Stock-based compensation 16,270 16,270   16,270        
Ending balance (in shares) at Jul. 01, 2023     51,370,000          
Ending balance at Jul. 01, 2023 3,257,555 3,251,703 $ 513 1,850,385 1,633,052 (208,269) $ (23,978) 5,852
Ending balance (in shares) at Jul. 01, 2023             104,000  
Increase (Decrease) in Temporary Equity                
Net income 71              
Other comprehensive (loss), net of tax (192)              
Dividends to noncontrolling interests (2,378)              
Ending balance at Sep. 30, 2023 39,948              
Increase (Decrease) in Stockholders' Equity                
Net income 87,950 87,389     87,389     561
Other comprehensive (loss), net of tax (59,797) (59,797)       (59,797)    
Dividends to noncontrolling interests (1,645)             (1,645)
Issuance of stock under employee compensation plans (in shares)     30,000          
Issuance of stock under employee compensation plans 3,939 3,939 $ 1 3,938        
Purchase of treasury shares (38) (38)         $ (38)  
Stock-based compensation 22,797 22,797   22,797        
Ending balance (in shares) at Sep. 30, 2023     51,400,000          
Ending balance at Sep. 30, 2023 3,310,761 3,305,993 $ 514 1,877,120 1,720,441 (268,066) $ (24,016) 4,768
Ending balance (in shares) at Sep. 30, 2023             104,000  
Beginning balance at Dec. 30, 2023 56,722              
Increase (Decrease) in Temporary Equity                
Net income 1,201              
Other comprehensive (loss), net of tax (2,763)              
Adjustment of redeemable noncontrolling interests to redemption value 4,807              
Dividends to noncontrolling interests (2,192)              
Ending balance at Mar. 30, 2024 $ 57,775              
Beginning balance (in shares) at Dec. 30, 2023 51,338,000   51,338,000          
Beginning balance at Dec. 30, 2023 $ 3,602,276 3,596,882 $ 513 1,905,578 1,887,218 (196,427) $ 0 5,394
Beginning balance (in shares) at Dec. 30, 2023 0           0  
Increase (Decrease) in Stockholders' Equity                
Net income $ 73,281 72,960     72,960     321
Other comprehensive (loss), net of tax (53,492) (53,492)       (53,492)    
Adjustment of redeemable noncontrolling interests to redemption value (4,807) (4,807)   (4,406) (401)      
Issuance of stock under employee compensation plans (in shares)     214,000          
Issuance of stock under employee compensation plans 21,505 21,505 $ 2 21,503        
Purchase of treasury shares (in shares)             42,000  
Purchase of treasury shares (9,351) (9,351)         $ (9,351)  
Stock-based compensation 16,738 16,738   16,738        
Ending balance (in shares) at Mar. 30, 2024     51,552,000          
Ending balance at Mar. 30, 2024 3,646,150 3,640,435 $ 515 1,939,413 1,959,777 (249,919) $ (9,351) 5,715
Ending balance (in shares) at Mar. 30, 2024             42,000  
Beginning balance at Dec. 30, 2023 56,722              
Ending balance at Sep. 28, 2024 $ 40,590              
Beginning balance (in shares) at Dec. 30, 2023 51,338,000   51,338,000          
Beginning balance at Dec. 30, 2023 $ 3,602,276 3,596,882 $ 513 1,905,578 1,887,218 (196,427) $ 0 5,394
Beginning balance (in shares) at Dec. 30, 2023 0           0  
Ending balance (in shares) at Sep. 28, 2024 51,134,000   51,718,000          
Ending balance at Sep. 28, 2024 $ 3,787,127 3,782,273 $ 517 1,971,413 2,122,835 (192,871) $ (119,621) 4,854
Ending balance (in shares) at Sep. 28, 2024 584,000           584,000  
Beginning balance at Mar. 30, 2024 $ 57,775              
Increase (Decrease) in Temporary Equity                
Net income (332)              
Other comprehensive (loss), net of tax 85              
Adjustment of redeemable noncontrolling interests to redemption value 496              
Purchase of remaining equity interest of other redeemable noncontrolling interest (12,000)              
Adjustment of purchase price of Noveprim redeemable noncontrolling interest 52              
Ending balance at Jun. 29, 2024 46,076              
Beginning balance (in shares) at Mar. 30, 2024     51,552,000          
Beginning balance at Mar. 30, 2024 3,646,150 3,640,435 $ 515 1,939,413 1,959,777 (249,919) $ (9,351) 5,715
Beginning balance (in shares) at Mar. 30, 2024             42,000  
Increase (Decrease) in Stockholders' Equity                
Net income 94,593 94,081     94,081     512
Other comprehensive (loss), net of tax (19,790) (19,790)       (19,790)    
Adjustment of redeemable noncontrolling interests to redemption value (496) (496)   (195) (301)      
Dividends to noncontrolling interests (1,938)             (1,938)
Issuance of stock under employee compensation plans (in shares)     144,000          
Issuance of stock under employee compensation plans 826 826 $ 2 824        
Purchase of treasury shares (in shares)             41,000  
Purchase of treasury shares (8,914) (8,914)         $ (8,914)  
Stock-based compensation 16,587 16,587   16,587        
Ending balance (in shares) at Jun. 29, 2024     51,696,000          
Ending balance at Jun. 29, 2024 3,727,018 3,722,729 $ 517 1,956,629 2,053,557 (269,709) $ (18,265) 4,289
Ending balance (in shares) at Jun. 29, 2024             83,000  
Increase (Decrease) in Temporary Equity                
Net income 73              
Other comprehensive (loss), net of tax (876)              
Adjustment of redeemable noncontrolling interests to redemption value 5,705              
Dividends to noncontrolling interests (10,388)              
Ending balance at Sep. 28, 2024 40,590              
Increase (Decrease) in Stockholders' Equity                
Net income 70,222 69,657     69,657     565
Other comprehensive (loss), net of tax 76,838 76,838       76,838    
Adjustment of redeemable noncontrolling interests to redemption value (5,705) (5,705)   (5,326) (379)      
Issuance of stock under employee compensation plans (in shares)     22,000          
Issuance of stock under employee compensation plans 779 779   779        
Purchase of treasury shares (in shares)             501,000  
Purchase of treasury shares (100,786) (100,786)         $ (100,786)  
Share repurchase excise tax (570) (570)         (570)  
Stock-based compensation $ 19,331 19,331   19,331        
Ending balance (in shares) at Sep. 28, 2024 51,134,000   51,718,000          
Ending balance at Sep. 28, 2024 $ 3,787,127 $ 3,782,273 $ 517 $ 1,971,413 $ 2,122,835 $ (192,871) $ (119,621) $ 4,854
Ending balance (in shares) at Sep. 28, 2024 584,000           584,000  
v3.24.3
BASIS OF PRESENTATION
 9 Months Ended
Sep. 28, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
BASIS OF PRESENTATION BASIS OF PRESENTATION
The accompanying condensed consolidated financial statements are unaudited and have been prepared by Charles River Laboratories International, Inc. (the Company) in accordance with accounting principles generally accepted in the United States (U.S. GAAP) and pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). The year-end condensed consolidated balance sheet data was derived from the Company’s audited consolidated financial statements, but does not include all disclosures required by U.S. GAAP. These unaudited condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024. Certain reclassifications of prior year amounts have been made to conform to the current year presentation. The unaudited condensed consolidated financial statements, in the opinion of management, reflect all normal and recurring adjustments necessary for a fair statement of the Company’s financial position and results of operations.
Use of Estimates
The preparation of unaudited condensed consolidated financial statements in accordance with U.S. GAAP requires that the Company make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues, expenses and related disclosure of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, judgments, and methodologies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions. Changes in estimates are reflected in reported results in the period in which they become known.
Newly Issued Accounting Pronouncements
In November 2023, the FASB issued ASU 2023-07, “Improvements to Reportable Segment Disclosures (Topic 280)”. ASU 2023-07 modifies reportable segment disclosure requirements, primarily through enhanced disclosures about segment expenses categorized as significant or regularly provided to the Chief Operating Decision Maker (CODM). In addition, the amendments enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss, and contain other disclosure requirements. The purpose of the amendments is to enable investors to better understand an entity’s overall performance and assess potential future cash flows. This ASU is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted and the amendments in this update are required to be applied on a retrospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements, but does not believe there will be a material impact.
In December 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures (Topic 740)”. ASU 2023-09 requires enhanced disclosures on income taxes paid, adds disaggregation of continuing operations before income taxes between foreign and domestic earnings and defines specific categories for the reconciliation of jurisdictional tax rate to effective tax rate. This ASU is effective for fiscal years beginning after December 15, 2024, and can be applied on a prospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements.
Summary of Significant Accounting Policies
The Company’s significant accounting policies are described in Note 1, “Description of Business and Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024.
Consolidation
The Company’s unaudited condensed consolidated financial statements reflect its financial statements and those of its subsidiaries in which the Company holds a controlling financial interest. For consolidated entities in which the Company owns or is exposed to less than 100% of the economics, the Company records net income (loss) attributable to noncontrolling interests in its unaudited condensed consolidated statements of income equal to the percentage of the economic or ownership interest retained in such entities by the respective noncontrolling parties. Redeemable noncontrolling interests, where the noncontrolling interest holders have the ability to require the Company to purchase the remaining interests, are classified in the mezzanine section of the unaudited condensed consolidated balance sheets, which is presented above the equity section and below liabilities. Intercompany balances and transactions are eliminated in consolidation.
The Company’s fiscal year is typically based on 52-weeks, with each quarter composed of 13 weeks ending on the last Saturday on, or closest to, March 31, June 30, September 30, and December 31. A 53rd week in the fourth quarter of the fiscal year is occasionally necessary to align with a December 31 calendar year-end.
Segment Reporting
The Company reports its results in three reportable segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing).
The Company’s RMS reportable segment includes products and services offered within the Research Models, Research Model Services, and Cell Solutions. Research Models includes the commercial production and sale of small research models, as well as the supply of large research models. Research Model Services includes: Insourcing Solutions (IS), which provides colony management of clients’ research operations (including recruitment, training, staffing, and management services) within the clients’ facilities and utilizing the Charles River Accelerator and Development Lab (CRADL™) offering, which provides vivarium space to clients, Genetically Engineered Models and Services (GEMS), which performs contract breeding and other services associated with genetically engineered models, and Research Animal Diagnostic Services (RADS), which provides health monitoring and diagnostics services related to research models; and Cell Solutions, which supplies controlled, consistent, customized primary cells and blood components derived from normal and mobilized peripheral blood and bone marrow.
The Company’s DSA reportable segment includes Discovery Services and Safety Assessment services. The Company provides regulated and non-regulated DSA services to support the research, development, and regulatory-required safety testing of potential new drugs, including therapeutic discovery and optimization plus in vitro (non-animal) and in vivo (in research models) studies, laboratory support services, and strategic non-clinical consulting and program management to support product development.
The Company’s Manufacturing reportable segment includes Microbial Solutions, which provides in vitro lot-release testing products, microbial detection products, and species identification services and Biologics Solutions (Biologics), which performs specialized testing of biologics (Biologics Testing Solutions) as well as contract development and manufacturing products and services (CDMO).
v3.24.3
ACQUISITIONS AND DIVESTITURES
 9 Months Ended
Sep. 28, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
ACQUISITIONS AND DIVESTITURES ACQUISITIONS AND DIVESTITURES
Fiscal 2023 Acquisition
Noveprim Group
On November 30, 2023, the Company completed the acquisition of an additional 41% equity interest of Noveprim Group (Noveprim), a leading supplier of non-human primates (NHPs) located in Mauritius, resulting in a 90% controlling interest. The Company had previously acquired a 49% equity interest in 2022 for $90.0 million plus additional contingent payments up to $5.0 million based on future performance. The total consideration allocable to the Noveprim acquisition is $392.4 million, which includes $144.6 million additional cash paid for the 41% equity interest, elimination of historical activity and intercompany balances of $209.5 million which includes a remeasurement gain on the 49% equity investment of $113.0 million, contingent consideration of $33.3 million, deferred purchase price of $12.0 million payable from 2024 through 2027, offset by estimated post-closing adjustments for working capital of $7.0 million. The purchase price reflected an agreement with seller on working capital and debt, which was adjusted from $13.8 million to $7.0 million during the nine months ended September 28, 2024. As a result of measurement period adjustments to the purchase price, goodwill and remeasurement gains on the previous 49% equity investment for the nine months ended September 28, 2024, were increased by $17.6 million and $9.8 million, respectively. Remeasurement gains are recorded in Other income (expense), net, within the unaudited condensed consolidated statements of income. The contingent consideration fair value is estimated using a Monte Carlo Simulation model and the maximum contingent contractual payments are up to $55.0 million based on future performance and milestone achievements in fiscal years 2023 through 2025. The Company has the call option right to purchase the remaining 10% equity interest up until one month after the sixth anniversary of closing the 41% equity interest. On the first anniversary of the expiration of the call option, a 12-month put option will be triggered giving the seller the right to require the Company to acquire the remaining shares of the seller. The redemption price for the call/put is fixed and ranges from $47.0 million to $54.0 million depending on when exercised. The noncontrolling interest is classified as a redeemable noncontrolling interest in the mezzanine section of the unaudited condensed consolidated balance sheets. The acquisition was funded through a combination of available cash and proceeds from the Company’s Credit Facility. This business is reported as part of the Company’s DSA reportable segment for NHPs vertically integrated into the DSA supply chain and the RMS reportable segment for those NHPs sold to third party customers. The Company incurred transaction and integration costs in connection with the acquisition of $0.3 million and $0.7 million for the three months ended September 28, 2024 and September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income. The Company incurred transaction and integration costs in connection with the acquisition of $1.2 million and $2.9 million for the nine months ended September 28, 2024 and September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.
SAMDI Tech, Inc.
On January 27, 2023, the Company acquired SAMDI Tech, Inc., (SAMDI), a leading provider of high-quality, label-free high-throughput screening (HTS) solutions for drug discovery research. The acquisition of SAMDI will provide clients with seamless access to the premier, label-free HTS MS platform and create a comprehensive, library of drug discovery solutions. The purchase price of SAMDI was $62.8 million, net of $0.4 million in cash, inclusive of a 20% strategic equity interest previously owned by the Company of $12.6 million. The acquisition was funded through a combination of available cash and proceeds from the Company’s Credit Facility. This business is reported as part of the Company’s DSA reportable segment. No significant transaction and integration costs were incurred with the acquisition for the three and nine months ended September 28, 2024. The Company incurred transaction and integration costs in connection with the acquisition of $0.5 million and $0.8 million for the three and nine months ended September 30, 2023, respectively, which was primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.
Purchase price information
The purchase price allocation was as follows:
Noveprim Group(1)
SAMDI Tech, Inc.
November 30, 2023January 27, 2023
(in thousands)
Trade receivables$1,308 $513 
Inventories66,500 — 
Other current assets (excluding cash)3,261 75 
Property, plant and equipment36,154 593 
Operating lease right-of-use asset, net104 — 
Goodwill (2)
190,024 37,129 
Definite-lived intangible assets9,500 33,070 
Other long-term assets (3)
167,907 6 
Deferred revenue— (43)
Other current liabilities(16,268)(351)
Operating lease right-of-use liabilities (Long-term)(97)— 
Deferred tax liabilities(12,984)(8,191)
Other long-term liabilities(7,579)— 
Redeemable noncontrolling interest (4)
(45,426)— 
Total purchase price allocation$392,404 $62,801 
(1) Purchase price allocation is preliminary and subject to change as additional information becomes available concerning the fair value and tax basis of the assets acquired and liabilities assumed, including certain contracts, obligations, and finalization of any working capital adjustments. Any additional adjustments to the purchase price allocation will be made as soon as practicable but no later than one year from the date of acquisition.
(2) The goodwill resulting from these transactions is primarily attributable to the potential growth of the Company’s segments from new customers introduced to the acquired businesses or synergies to be realized from acquiring an internal supplier servicing the DSA business and the assembled workforce of the acquirees, thus is not deductible for tax purposes.
(3) Other long-term assets acquired from the Noveprim acquisition include $167.8 million of biological assets, which will be amortized over an estimated eight-year useful life.
(4) Refer to Note 12 – Equity and Noncontrolling Interests for further a description of the 10% noncontrolling interest fair value.
The definite-lived intangible assets acquired were as follows:
Noveprim GroupSAMDI Tech, Inc.
Definite-Lived Intangible Assets(in thousands)
Client relationships$— $23,400 
Other intangible assets9,500 9,670 
Total definite-lived intangible assets$9,500 $33,070 
Weighted Average Amortization Life(in years)
Client relationships— 15
Other intangible assets77
Total definite-lived intangible assets712
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS
 9 Months Ended
Sep. 28, 2024
Revenue from Contract with Customer [Abstract]  
REVENUE FROM CONTRACTS WITH CUSTOMERS REVENUE FROM CONTRACTS WITH CUSTOMERS
Disaggregation of Revenue
The following table disaggregates the Company’s revenue by reportable segment and timing of transfer of products or services:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Timing of Revenue Recognition:
RMS
Services and products transferred over time$93,446 $94,883 $285,794 $282,980 
Services and products transferred at a point in time104,378 91,965 339,326 313,582 
Total RMS revenue197,824 186,848 625,120 596,562 
DSA
Services and products transferred over time613,388 663,128 1,844,298 1,987,617 
Services and products transferred at a point in time1,672 900 3,633 2,221 
Total DSA revenue615,060 664,028 1,847,931 1,989,838 
Manufacturing
Services and products transferred over time107,284 94,446 311,823 280,992 
Services and products transferred at a point in time89,595 81,301 262,566 248,541 
Total Manufacturing revenue196,879 175,747 574,389 529,533 
Total revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Contract Balances from Contracts with Customers
The following table provides information about client receivables, contract assets, and contract liabilities from contracts with customers:
September 28, 2024December 30, 2023
(in thousands)
Assets from contracts with customers
Client receivables$557,761 $578,077 
Unbilled revenue220,323 228,020 
Total778,084 806,097 
Less: Allowance for credit losses(23,877)(25,722)
Trade receivables and contract assets, net$754,207 $780,375 
Liabilities from contracts with customers
Current deferred revenue$251,968 $241,820 
Long-term deferred revenue (included in Other long-term liabilities)34,915 30,919 
Customer contract deposits (included in Other current liabilities)99,455 85,554 
Approximately 90% of unbilled revenue as of December 30, 2023, which was $228 million, was billed during the nine months ended September 28, 2024. Approximately 90% of unbilled revenue as of December 31, 2022, which was $204 million, was billed during the nine months ended September 30, 2023.
Approximately 80% of contract liabilities as of December 30, 2023, which was $273 million, were recognized as revenue during the nine months ended September 28, 2024. Approximately 80% of contract liabilities as of December 31, 2022, which was $290 million, were recognized as revenue during the nine months ended September 30, 2023.
When the Company does not have the unconditional right to advanced billings, both advanced client payments and unpaid advanced client billings are excluded from deferred revenue, with the advanced billings also being excluded from client
receivables. The Company excluded approximately $36 million and $41 million of unpaid advanced client billings from both client receivables and deferred revenue in the accompanying unaudited condensed consolidated balance sheets as of September 28, 2024 and December 30, 2023, respectively.
Allowance for Credit Losses
The following is a summary of the activity of the Company’s allowance for credit losses:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$25,722 $11,278 
Provisions8,223 11,030 
Reductions(10,068)(1,121)
Ending balance$23,877 $21,187 
Net provision expenses were $7.2 million and $10.2 million during the nine months ended September 28, 2024 and September 30, 2023, respectively and include recoveries of balances previously written off, which are excluded from the table above.
Transaction Price Allocated to Future Performance Obligations
The Company discloses the aggregate amount of transaction price that is allocated to performance obligations that have not yet been satisfied as of September 28, 2024. Excluded from the disclosure is the value of unsatisfied performance obligations for contracts with an original expected length of one year or less, contracts for which revenue is recognized at the amount to which the Company has the right to invoice for services performed, and service revenue recognized in accordance with ASC 842, “Leases”. The aggregate amount of transaction price allocated to the remaining performance obligations for all open customer contracts as of September 28, 2024 was $803.5 million. The Company will recognize revenues for these performance obligations as they are satisfied, approximately 50% of which is expected to occur within the next twelve months and the remainder recognized thereafter during the remaining contract term.
Other Performance Obligations
As part of the Company’s service offerings, the Company has identified performance obligations related to leasing Company owned assets. In certain arrangements, customers obtain substantially all of the economic benefits of the identified assets, which may include manufacturing suites and related equipment, and have the right to direct the assets’ use over the term of the contract. The associated revenue is recognized on a straight-line basis over the term of the lease, which is generally less than one year.
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Statements of Income
(in thousands)
Lease revenue$16,622 $22,254 $54,312 $70,235 Service revenue
v3.24.3
SEGMENT AND GEOGRAPHIC INFORMATION
 9 Months Ended
Sep. 28, 2024
Segment Reporting [Abstract]  
SEGMENT AND GEOGRAPHIC INFORMATION SEGMENT AND GEOGRAPHIC INFORMATION
The Company operates in three reportable segments, RMS, DSA and Manufacturing. Asset information on a reportable segment basis is not disclosed as this information is not separately identified and internally reported to the Company’s Chief Operating Decision Maker (CODM). The following table presents the results of operations by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS  
Revenue$197,824 $186,848 $625,120 $596,562 
Cost of revenue (excluding amortization of intangible assets)137,906 126,640 421,773 381,332 
Selling, general and administrative26,453 26,483 84,943 81,194 
Amortization of intangible assets5,921 5,399 17,763 16,383 
Operating income$27,544 $28,326 $100,641 $117,653 
DSA
Revenue$615,060 $664,028 $1,847,931 $1,989,838 
Cost of revenue (excluding amortization of intangible assets)409,684 436,174 1,246,560 1,268,248 
Selling, general and administrative63,260 63,369 174,598 189,076 
Amortization of intangible assets15,680 17,666 47,122 52,726 
Operating income$126,436 $146,819 $379,651 $479,788 
Manufacturing
Revenue$196,879 $175,747 $574,389 $529,533 
Cost of revenue (excluding amortization of intangible assets)113,152 101,968 331,530 327,882 
Selling, general and administrative32,737 36,338 99,397 114,556 
Amortization of intangible assets10,802 11,166 32,363 34,311 
Operating income$40,188 $26,275 $111,099 $52,784 
Unallocated Corporate
Selling, general and administrative$76,763 $49,918 $196,357 $165,886 
Operating income (1)
$(76,763)$(49,918)$(196,357)$(165,886)
Consolidated
Revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Cost of revenue (excluding amortization of intangible assets)660,742 664,783 1,999,863 1,977,462 
Selling, general and administrative199,213 176,109 555,295 550,713 
Amortization of intangible assets32,403 34,229 97,248 103,419 
Operating income$117,405 $151,502 $395,034 $484,339 
(1) Operating income for unallocated corporate consists of costs associated with departments such as senior executives, corporate accounting, legal, tax, human resources, treasury, and investor relations.
Capital expenditures and depreciation and amortization (related to both intangible assets and certain assets acquired in business combinations) by reportable segment are as follows:
RMSDSAManufacturingUnallocated CorporateConsolidated
(in thousands)
Capital Expenditures
Three Months Ended:
September 28, 2024$7,186 $22,773 $8,735 $27 $38,721 
September 30, 20239,192 41,967 14,349 439 65,947 
Nine Months Ended:
September 28, 2024$36,543 $91,176 $28,180 $1,452 $157,351 
September 30, 202335,769 155,477 46,949 2,010 240,205 
Depreciation and amortization
Three Months Ended:
September 28, 2024$18,389 $47,751 $20,298 $1,760 $88,198 
September 30, 202313,872 44,088 20,070 840 78,870 
Nine Months Ended:
September 28, 2024$53,050 $141,269 $60,176 $5,142 $259,637 
September 30, 202341,310 129,662 59,677 2,961 233,610 
Revenue represents sales originating in entities physically located in the identified geographic area. Revenue by geographic area is as follows:
U.S.EuropeCanadaAsia Pacific
Other (1)
Consolidated
(in thousands)
Three Months Ended:
September 28, 2024$559,277 $267,123 $127,088 $45,009 $11,266 $1,009,763 
September 30, 2023590,316 264,787 129,023 40,233 2,264 1,026,623 
Nine Months Ended:
September 28, 2024$1,693,021 $814,819 $362,733 $141,168 $35,699 $3,047,440 
September 30, 20231,802,532 805,466 357,276 142,910 7,749 3,115,933 
(1) The Other category represents operations located in Brazil, Israel, and Mauritius.
Long-lived assets consist of property, plant, and equipment, net. Long-lived assets by geographic area are as follows:
U.S.EuropeCanadaAsia PacificOtherConsolidated
(in thousands)
Long-lived assets
September 28, 2024$953,412 $425,967 $152,980 $70,816 $36,803 $1,639,978 
December 30, 2023964,176 407,375 157,483 74,605 36,102 1,639,741 
v3.24.3
SUPPLEMENTAL CASH FLOW INFORMATION
 9 Months Ended
Sep. 28, 2024
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION SUPPLEMENTAL CASH FLOW INFORMATION
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Cash paid for income taxes$94,609 $75,783 
Cash paid for interest98,572 106,014 
Non-cash investing activities:
Purchases of Property, plant and equipment included in Accounts payable and Accrued liabilities$32,764 $41,526 
Assets acquired under finance leases3,159 154 
Cash, cash equivalents and restricted cash is included in the accompanying unaudited condensed consolidated balance sheets as follows:
September 28, 2024September 30, 2023
(in thousands)
Supplemental cash flow information:
Cash and cash equivalents$210,171 $157,174 
Restricted cash included in Other current assets323 6,586 
Restricted cash included in Other assets1,146 1,856 
Cash, cash equivalents, and restricted cash, end of period$211,640 $165,616 
v3.24.3
INVENTORY
 9 Months Ended
Sep. 28, 2024
Inventory Disclosure [Abstract]  
INVENTORY INVENTORY
Inventories
The composition of inventories is as follows:
September 28, 2024December 30, 2023
(in thousands)
Raw materials and supplies$45,264 $42,296 
Work in process46,976 59,727 
Finished products243,960 278,236 
Inventories$336,200 $380,259 
Inventory step up amortization expense incurred for the three and nine months ended September 28, 2024 was $5.9 million and $16.5 million, respectively.
v3.24.3
PROPERTY, PLANT AND EQUIPMENT, NET
 9 Months Ended
Sep. 28, 2024
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET PROPERTY, PLANT AND EQUIPMENT, NET
The composition of property, plant and equipment, net is as follows:
September 28, 2024December 30, 2023
(in thousands)
Land$79,670 $79,546 
Buildings (1)
1,097,064 1,053,915 
Machinery and equipment (1)
1,040,195 984,867 
Leasehold improvements404,442 366,556 
Furniture and fixtures32,640 31,284 
Computer hardware and software (1)
265,392 254,413 
Vehicles (1)
7,502 6,746 
Construction in progress176,541 197,723 
Total3,103,446 2,975,050 
Less: Accumulated depreciation(1,463,468)(1,335,309)
Property, plant and equipment, net$1,639,978 $1,639,741 
(1) These balances include assets under finance leases.
Depreciation expense in the three months ended September 28, 2024 and September 30, 2023 was $48.5 million and $44.6 million, respectively. Depreciation expense in the nine months ended September 28, 2024 and September 30, 2023 was $141.8 million and $130.2 million, respectively.
v3.24.3
VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS
 9 Months Ended
Sep. 28, 2024
Equity Method Investments and Joint Ventures [Abstract]  
VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS
Venture capital investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$121,158 $129,012 
Capital contributions16,205 12,056 
Distributions(20,324)(12,972)
Gains (losses)
8,439 (14,258)
Foreign currency translation466 260 
Ending balance$125,944 $114,098 
The Company also invests, with minority positions, directly in equity of predominantly privately held companies. Strategic investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$122,653 $182,590 
Purchase of investments2,140 21,489 
Distributions— (7,493)
Gain (loss)
(9,430)5,012 
Reduction for acquisition of entity (1)
— (12,635)
Other investment activity(5,540)— 
Foreign currency translation220 (1,214)
Ending balance$110,043 $187,749 
(1) Refer to Note 2 – Acquisitions and Divestitures for further discussion on the acquisition of SAMDI.
v3.24.3
FAIR VALUE
 9 Months Ended
Sep. 28, 2024
Fair Value Disclosures [Abstract]  
FAIR VALUE FAIR VALUE
Assets and liabilities measured at fair value on a recurring basis are summarized below:
 September 28, 2024
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $30 $— $30 
Interest rate swap— 278 — 278 
Other assets:
Life insurance policies— 47,734 — 47,734 
Total assets measured at fair value$— $48,042 $— $48,042 
Other long-term liabilities measured at fair value:
Contingent consideration$— $— $39,893 $39,893 
Total liabilities measured at fair value$— $— $39,893 $39,893 
The Company recognizes transfers between levels within the fair value hierarchy, if any, at the end of each quarter. During the nine months ended September 28, 2024, there were no transfers between levels.
 December 30, 2023
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $29 $— $29 
Other assets:
Life insurance policies— 40,912 — 40,912 
Interest rate swap— 966 — 966 
Total assets measured at fair value$— $41,907 $— $41,907 
Other long-term liabilities measured at fair value
Contingent consideration$— $— $33,265 $33,265 
Total liabilities measured at fair value$— $— $33,265 $33,265 
During the year ended December 30, 2023, there were no transfers between levels.
Contingent Consideration
The following table provides a rollforward of the contingent consideration related to the Company’s acquisitions.
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$33,265 $13,431 
Payments— (15,130)
Total gains or losses (realized/unrealized):
Adjustment of previously recorded contingent liability6,628 1,810 
Foreign currency translation— (111)
Ending balance$39,893 $— 
The Company estimates the fair value of contingent consideration obligations through valuation models, such as probability-weighted and option pricing models, which incorporate probability adjusted assumptions and simulations related to the achievement of the milestones and the likelihood of making related payments. The unobservable inputs used in the fair value measurements include the probabilities of successful achievement of certain financial targets, forecasted results or targets, volatility, and discount rates. The remaining maximum potential payments are approximately $55.0 million, of which the value accrued as of September 28, 2024 is $39.9 million as the probability of achieving the maximum target is estimated to be 73%. The volatility and weighted average cost of capital is approximately 5% and 8%, respectively. Increases or decreases in these assumptions may result in a higher or lower fair value measurement, respectively.
Cash Flow Hedge
The Company is exposed to market fluctuations in interest rates as well as variability in foreign exchange rates. The Company had an interest rate swap with a notional amount of $500 million maturing November 2, 2024 to manage interest rate fluctuation related to floating rate borrowings under the Credit Facility, at a fixed rate of 4.65%.
Debt Instruments
The book value of the Company’s revolving loans, which are variable rate loans carried at amortized cost, approximates the fair value based on current market pricing of similar debt. As the fair value is based on significant other observable inputs, including current interest and foreign currency exchange rates, it is deemed to be Level 2 within the fair value hierarchy.
The book value of the Company’s Senior Notes are fixed rate obligations carried at amortized cost. Fair value is based on quoted market prices as well as borrowing rates available to the Company. As the fair value is based on significant other observable outputs, it is deemed to be Level 2 within the fair value hierarchy. The book value and fair value of the Company’s Senior Notes is summarized below:
September 28, 2024December 30, 2023
Book ValueFair ValueBook ValueFair Value
(in thousands)
4.25% Senior Notes due 2028
$500,000 $484,350 $500,000 $478,100 
3.75% Senior Notes due 2029
500,000 470,100 500,000 458,100 
4.00% Senior Notes due 2031
500,000 459,350 500,000 449,350 
v3.24.3
GOODWILL AND INTANGIBLE ASSETS
 9 Months Ended
Sep. 28, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND INTANGIBLE ASSETS GOODWILL AND INTANGIBLE ASSETS
Goodwill
The following table provides a rollforward of the Company’s goodwill:
RMS
DSA (1)
ManufacturingTotal
(in thousands)
December 30, 2023$497,474 $1,662,434 $935,137 $3,095,045 
Acquisitions— 17,675 — 17,675 
Foreign exchange203 (4,480)16,149 11,872 
September 28, 2024$497,677 $1,675,629 $951,286 $3,124,592 
(1) DSA includes accumulated impairment losses of $1 billion, which were recognized in fiscal years 2008 and 2010.
The increase in goodwill during the nine months ended September 28, 2024 is related to measurement period adjustments related to the acquisition of Noveprim in the DSA reportable segment and foreign exchange in Manufacturing.
During the third quarter ended September 28, 2024, a triggering event was identified for the Discovery Services reporting unit (part of the DSA reportable segment). This resulted from a continuous decline in market conditions and operational challenges, ultimately resulting in a reduction of Discovery Services’ long range financial outlook. In response, management conducted a quantitative impairment test for goodwill to determine if the goodwill in the Discovery Services reporting unit was impaired. Upon completion of a quantitative impairment test, it was determined that the fair value of the reporting unit exceeded its carrying value by approximately 22%, and no impairment was recognized as of September 28, 2024. While the Discovery Services reporting unit is not currently impaired, the Company will continue to closely monitor future performance and any potential impacts on the value of the reporting unit.
Intangible Assets, Net
The following table displays intangible assets, net by major class:
 September 28, 2024December 30, 2023
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
(in thousands)
Client relationships$1,541,032 $(808,507)$732,525 $1,528,780 $(721,322)$807,458 
Technology144,241 (118,793)25,448 142,190 (111,764)30,426 
Trademarks and trade names12,091 (5,505)6,586 11,878 (4,568)7,310 
Backlog3,100 (3,100)— 3,100 (2,177)923 
Other43,185 (29,283)13,902 43,611 (25,677)17,934 
Intangible assets$1,743,649 $(965,188)$778,461 $1,729,559 $(865,508)$864,051 
The decrease in intangible assets, net during the nine months ended September 28, 2024 related to normal amortization over the useful lives.
Amortization expense of definite-lived intangible assets for the three months ended September 28, 2024 and September 30, 2023 was $32.4 million and $34.2 million, respectively. Amortization expense of definite-lived intangible assets for nine months ended September 28, 2024 and September 30, 2023 was $97.2 million and $103.4 million, respectively.
v3.24.3
DEBT AND OTHER FINANCING ARRANGEMENTS
 9 Months Ended
Sep. 28, 2024
Debt Disclosure [Abstract]  
DEBT AND OTHER FINANCING ARRANGEMENTS DEBT AND OTHER FINANCING ARRANGEMENTS
Long-term debt, net and finance leases consists of the following:
September 28, 2024December 30, 2023
(in thousands)
Revolving facility$794,290 $1,129,243 
4.25% Senior Notes due 2028
500,000 500,000 
3.75% Senior Notes due 2029
500,000 500,000 
4.00% Senior Notes due 2031
500,000 500,000 
Other debt16,122 9,575 
Finance leases 31,116 28,550 
Total debt and finance leases2,341,528 2,667,368 
Less:
Current portion of long-term debt157 3,172 
Current portion of finance leases3,043 2,398 
Current portion of long-term debt and finance leases3,200 5,570 
Long-term debt and finance leases2,338,328 2,661,798 
Debt discount and debt issuance costs(11,675)(14,651)
Long-term debt, net and finance leases$2,326,653 $2,647,147 
As of September 28, 2024 and December 30, 2023, the weighted average interest rate on the Company’s debt was 4.59% and 4.93%, respectively.
Letters of Credit
As of September 28, 2024 and December 30, 2023, the Company had $21.2 million and $21.6 million, respectively, in outstanding letters of credit.
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS
 9 Months Ended
Sep. 28, 2024
Equity [Abstract]  
EQUITY AND NONCONTROLLING INTERESTS EQUITY AND NONCONTROLLING INTERESTS
Earnings Per Share
The following table reconciles the numerator and denominator in the computations of basic and diluted earnings per share:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Numerator:  
Net income$70,295 $88,021 $239,038 $291,418 
Less: Net income attributable to noncontrolling interests638 632 2,340 3,878 
Net income attributable to Charles River Laboratories International Inc.69,657 87,389 236,698 287,540 
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders
Net income attributable to Charles River Laboratories International Inc.$69,657 $87,389 $236,698 $287,540 
Less: Adjustment of redeemable noncontrolling interest (1)
379 — 1,081 — 
Less: Incremental dividends attributable to noncontrolling interest holders (2)
599 — 9,621 — 
Net income available to Charles River Laboratories International Inc. common shareholders$68,679 $87,389 $225,996 $287,540 
Denominator:  
Weighted-average shares outstanding - Basic51,394 51,283 51,461 51,199 
Effect of dilutive securities:
Stock options, restricted stock units and performance share units189 324 252 294 
Weighted-average shares outstanding - Diluted51,583 51,607 51,713 51,493 
Anti-dilutive common stock equivalents (3)
746 588 505 514 
(1) Represents adjustments of redeemable noncontrolling interest that impact retained earnings.
(2) Represents incremental declared and undeclared dividends attributable to Noveprim noncontrolling interest holders who are entitled to preferential dividends for fiscal year 2024.
(3) These common stock equivalents were outstanding for the periods presented, but were not included in the computation of diluted EPS for those periods because their inclusion would have had an anti-dilutive effect.
Treasury Shares
On August 2, 2024, the Company’s Board of Directors approved a stock repurchase authorization of $1.0 billion. This authorization fully replaces a prior stock repurchase authorization of $1.3 billion that had $129.1 million remaining when it was terminated. During the three and nine months ended September 28, 2024, the Company repurchased 0.5 million shares of common stock for $100.7 million under the new stock repurchase program. As of September 28, 2024, the Company had $899.3 million remaining on the current authorized stock repurchase program.
The Company’s stock-based compensation plans permit the netting of common stock upon vesting of RSUs and PSUs in order to satisfy individual statutory tax withholding requirements. The Company acquired shares of approximately 0.1 million in the nine months ended September 28, 2024 and nine months ended September 30, 2023, for $18.4 million and $24.0 million, respectively, from such netting.
Accumulated Other Comprehensive Income (Loss)
Changes to each component of accumulated other comprehensive income (loss), net of income taxes, are as follows:
Foreign Currency Translation Adjustment
and Other 		Pension and Other Post-Retirement Benefit PlansNet Unrealized (Loss) Gain on Cash Flow HedgeTotal
(in thousands)
December 30, 2023$(149,999)$(47,167)$739 $(196,427)
Other comprehensive income (loss) before reclassifications
4,054 1,038 (688)4,404 
Net current period other comprehensive income (loss)
4,054 1,038 (688)4,404 
Income tax expense (benefit)757 256 (165)848 
September 28, 2024$(146,702)$(46,385)$216 $(192,871)
Redeemable Noncontrolling Interests
Through September 28, 2024, the Company holds several redeemable noncontrolling interests. Since the Company has the right to purchase, and the noncontrolling interest holders have the right to require the Company to purchase the remaining interest, which represents a derivative embedded within the equity instrument, the noncontrolling interest is classified in the mezzanine section of the unaudited condensed consolidated balance sheets, which is presented above the equity section and below liabilities.
The redeemable noncontrolling interests are measured at the greater of (i) the redemption amount or (ii) the historical value resulting from the original acquisition date fair value, increased or decreased for the noncontrolling interest’s share of net income (loss), equity capital contributions and distributions. The fair value of the redeemable noncontrolling interest is determined using the income approach, with key assumptions being projected cash flows and discount rates based on market participant’s weighted average cost of capital. To the extent redemption value exceeds carrying value, adjustments are recorded to additional paid-in capital, with any cumulative excess of redemption value over fair value recorded in retained earnings, which impacts net income available to common shareholders used in the calculation of earnings per common share.
Noveprim
The Company holds a 90% ownership interest in Noveprim. The Company has the right to purchase, and the noncontrolling interest holders have the right to sell, the remaining 10% equity interest at a fixed redemption value that ranges from $47.0 million to $54.0 million depending on when exercised. The Company has the call option right to purchase the remaining 10% equity up until one month after the sixth anniversary of closing the 41% equity stake (December 2029). On the first anniversary of the expiration of the call option (December 2030), a 12-month put option will be triggered giving the seller the right to require the Company to acquire the remaining shares of the seller for $54.0 million. Additionally, during fiscal year 2024 the 10% noncontrolling interest holders have and may continue to receive a dividend disproportionate to their equity ownership, of which the fair value of $8.0 million as of the acquisition date was recorded within the redeemable noncontrolling interest. Through September 28, 2024, incremental dividends based on Noveprim statutory net income attributed to the redeemable noncontrolling interest holders of $9.6 million reduced net income available to common shareholders used in the calculation of earnings per common share. The redemption value is accreted to the put purchase price of $54.0 million using the interest method through December 2030. As of September 28, 2024, the redemption value of $40.6 million exceeded both the carrying value and fair value, resulting in both an adjustment to additional paid in capital of $7.2 million and an adjustment to retained earnings of $1.1 million, respectively, for the nine months ended September 28, 2024.
Other redeemable noncontrolling interest
In 2019, the Company acquired an 80% equity interest in a subsidiary, which included a 20% redeemable noncontrolling interest. In June 2022, the Company purchased an additional 10% interest in the subsidiary for $15.0 million, resulting in a remaining noncontrolling interest of 10%. Beginning in 2024, the Company had the right to purchase, and the noncontrolling interest holders had the right to sell, the remaining 10% equity interest at its appraised value. The redemption value was measured at the greater of the appraised value or a predetermined floor. The amount that the Company could be required to pay to purchase the remaining 10% equity interest was not limited. As of March 30, 2024, the redemption value of $12.0 million exceeded the carrying value, resulting in an adjustment to additional paid in capital of $2.8 million. During the second quarter of fiscal 2024, the Company acquired the remaining 10% for $12.0 million.
Vital River
The Company held a 92% ownership interest in Vital River, a commercial provider of research models and related services in China as of December 31, 2022. The Company had the right to purchase, and the noncontrolling interest holders had the right to sell, the remaining 8% equity interest at a contractually defined redemption value, subject to a redemption floor. The amount that the Company could be required to pay to purchase the remaining 8% equity interest was not limited. During 2023, the Company acquired the remaining 8% and paid $4.8 million of the total $24.4 million due. The remaining purchase price payable was included in Accrued liabilities within the Company’s unaudited condensed consolidated balance sheet as of September 28, 2024 and December 30, 2023 and is expected to be paid during fiscal year 2024.
Nonredeemable Noncontrolling Interest
The Company has an investment in an entity whose financial results are consolidated in the Company’s unaudited condensed consolidated financial statements, as it has the ability to exercise control over this entity. The interest of the noncontrolling party in this entity has been recorded as nonredeemable noncontrolling interest within Equity in the accompanying unaudited condensed consolidated balance sheets. The activity within the nonredeemable noncontrolling interest was not material during the three and nine months ended September 28, 2024 and September 30, 2023.
v3.24.3
INCOME TAXES
 9 Months Ended
Sep. 28, 2024
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
The Company’s effective tax rates for the three months ended September 28, 2024 and September 30, 2023 were 23.0% and 22.0%, respectively. The increase in the effective tax rate for the three months ended September 28, 2024 compared to the corresponding prior year period was primarily attributable to the deferred tax impact of tax law changes enacted during the three months ended September 28, 2024, offset by jurisdictional earnings mix.
The Company’s effective tax rates for the nine months ended September 28, 2024 and September 30, 2023 were 22.9% and 21.8%, respectively. The increase in the effective tax rate for the nine months ended September 28, 2024 compared to the same prior year period is primarily attributable the same reason as above, as well as decreased tax benefit from stock-based compensation deductions in nine months ended September 28, 2024.
For the three months ended September 28, 2024, the Company’s unrecognized tax benefits increased by $1.2 million to $25.2 million, primarily due to increases in research and development tax credit reserves, as well as unfavorable foreign exchange movement. For the three months ended September 28, 2024, the amount of unrecognized income tax benefits that would impact the effective tax rate increased by $1.0 million to $22.1 million for the same reasons discussed above. The accrued interest on unrecognized tax benefits was $1.8 million as of September 28, 2024. The Company estimates that it is reasonably possible that the unrecognized tax benefits will decrease by approximately $5.1 million over the next twelve-month period, primarily due to audit settlements and expiring statutes of limitations.
The Company’s prepaid and accrued tax positions are as follows:
September 28, 2024December 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Balance Sheets
(in thousands)
Prepaid income tax$82,153 $59,715 Other current assets
Accrued income taxes39,673 38,819 Other current liabilities
The Company conducts business in a number of tax jurisdictions. As a result, it is subject to tax audits on a regular basis including, but not limited to, such major jurisdictions as the U.S., the U.K., China, France, Germany, and Canada. With few exceptions, the Company is no longer subject to U.S. and international income tax examinations for years before 2020.
The Company and certain of its subsidiaries have ongoing tax controversies in the U.S., Canada, and India. The Company does not anticipate resolution of these audits will have a material impact on its unaudited condensed consolidated financial statements.
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS
 9 Months Ended
Sep. 28, 2024
Restructuring and Related Activities [Abstract]  
RESTRUCTURING AND ASSET IMPAIRMENTS RESTRUCTURING AND ASSET IMPAIRMENTS
The Company has undertaken restructuring actions impacting the reportable segments at various locations across North America, Europe and Asia. This includes workforce right-sizing actions resulting in severance and transition costs; and costs related to the consolidation of facilities resulting in asset impairment, accelerated depreciation charges, and certain other costs. Generally, these actions are in response to recent macroeconomic impacts on the Company. During fiscal year 2023, the Company began to take restructuring actions as a result of these emerging business trends. The Company incurred restructuring charges of $30.6 million and $65.6 million during the three and nine months ended September 28, 2024, respectively and approximately $95 million since the beginning of fiscal year 2023 through September 28, 2024.
The following table presents restructuring costs by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS$4,965 $965 $22,580 $965 
DSA13,866 13,220 24,123 13,218 
Manufacturing5,372 975 9,660 7,162 
Unallocated corporate6,443 — 9,237 — 
Total$30,646 $15,160 $65,600 $21,345 
The following table presents restructuring costs as included within the Company’s unaudited condensed consolidated statements of income:
September 28, 2024September 30, 2023
Severance and Transition CostsAsset Impairments and Other CostsTotalSeverance and Transition CostsAsset Impairments and Other CostsTotal
(in thousands)
Three Months Ended
Cost of services provided (excluding amortization of intangible assets)$12,830 $3,482 $16,312 $2,160 $11,418 $13,578 
Cost of products sold (excluding amortization of intangible assets)1,783 650 2,433 480 174 654 
Selling, general and administrative11,923 (22)11,901 937 (9)928 
Total restructuring costs$26,536 $4,110 $30,646 $3,577 $11,583 $15,160 
Nine Months Ended
Cost of services provided (excluding amortization of intangible assets)$20,510 $6,516 $27,026 $5,088 $11,418 $16,506 
Cost of products sold (excluding amortization of intangible assets)2,530 11,134 13,664 534 2,920 3,454 
Selling, general and administrative18,430 6,480 24,910 1,386 (1)1,385 
Total restructuring costs$41,470 $24,130 $65,600 $7,008 $14,337 $21,345 
Rollforward of Restructuring Activities
The following table provides a rollforward for the Company’s accrued restructuring costs related to all restructuring activities:
Severance and Transition Costs
Asset Impairments
Other Costs
Total
(in thousands)
Nine Months Ended September 28, 2024
Beginning balance
$4,175 $— $875 $5,050 
Expense
41,470 15,999 8,131 65,600 
Payments / utilization
(17,920)— (6,762)(24,682)
Other non-cash adjustments
— (15,999)(1,369)(17,368)
Foreign currency adjustments
57 — — 57 
Ending Balance
$27,782 $— $875 $28,657 
Nine Months Ended September 30, 2023
Beginning balance
$356 $— $944 $1,300 
Expense
7,008 13,269 1,068 21,345 
Payments / utilization
(3,179)— (710)(3,889)
Other non-cash adjustments
— (13,269)(427)(13,696)
Foreign currency adjustments
(42)— — (42)
Ending Balance
$4,143 $— $875 $5,018 
As of September 28, 2024 and December 30, 2023, $28.7 million and $5.1 million, respectively, of severance and other personnel related costs liabilities were included in accrued compensation and accrued liabilities within the Company’s unaudited condensed consolidated balance sheets.
v3.24.3
COMMITMENTS AND CONTINGENCIES
 9 Months Ended
Sep. 28, 2024
Commitments and Contingencies Disclosure [Abstract]  
COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES
Litigation
On February 16, 2023, the Company was informed by the U.S. Department of Justice (DOJ) that in conjunction with the U.S. Fish and Wildlife Service (USFWS), it had commenced an investigation into the Company’s conduct regarding several shipments of non-human primates from Cambodia. On February 17, 2023 the Company received a grand jury subpoena requesting certain documents related to such investigation. The Company is aware of a parallel civil investigation being undertaken by the DOJ and USFWS. The Company is cooperating with the DOJ and the USFWS and believes that the concerns raised with respect to the Company’s conduct are without merit. The Company maintains a global supplier onboarding and oversight program incorporating risk-based due diligence, auditing, and monitoring practices to help ensure the quality of the Company’s supplier relationships and compliance with applicable U.S. and international laws and regulations, and has operated under the belief that all shipments of non-human primates it received satisfied the material requirements, documentation and related processes and procedures of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which guides the release of each import by USFWS. Notwithstanding the Company’s efforts and good-faith belief, in connection with the civil investigation, the Company has voluntarily suspended future shipments of non-human primates from Cambodia to the United States until such time that the Company and USFWS can agree upon and implement additional procedures to reasonably ensure that non-human primates imported from Cambodia are purpose-bred. The Company continues to care for the Cambodia-sourced non-human primates from certain shipments in the United States. The carrying value of the inventory related to these shipments was approximately $27 million as of September 28, 2024, which reflects the value of the shipments in accordance with the Company’s inventory accounting policy. On May 16, 2023, the Company received an inquiry from the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting it to voluntarily provide information, subsequently augmented with a document subpoena and additional inquiries, primarily related to the sourcing of non-human primates and related disclosures, and the Company is cooperating with these requests. The Company is not able to predict what action, if any, might be taken in the future by the DOJ, USFWS, SEC or other governmental authorities as a result of the investigations. None of the DOJ, USFWS or SEC has provided the Company with any specific timeline or indication as to when these investigations or, specific to the DOJ and USFWS, discussions regarding future processes and procedures, will be concluded or resolved. The Company cannot predict the timing, outcome or possible impact of the investigations, including without limitation any potential fines, penalties or liabilities.
A putative securities class action (Securities Class Action) was filed on May 19, 2023 against the Company and a number of its current/former officers in the United States District Court for the District of Massachusetts. On August 31, 2023, the court
appointed the State Teachers Retirement System of Ohio as lead plaintiff. An amended complaint was filed on November 14, 2023 that, among other things, included only James Foster, the Chief Executive Officer and David R. Smith, the former Chief Financial Officer as defendants along with the Company. The amended complaint asserts claims under §§ 10(b) and 20(a) of the Securities Exchange Act of 1934 (the "Exchange Act") on behalf of a putative class of purchasers of Company securities from May 5, 2020 through February 21, 2023, alleging that certain of the Company’s disclosures about its practices with respect to the importation of non-human primates made during the putative class period were materially false or misleading. On July 1, 2024, the court dismissed the complaint, denied the plaintiff’s informal request for leave to amend, and entered judgment for defendants. On July 30, 2024, the plaintiff filed a notice of appeal in the United States Court of Appeals for the First Circuit. While the Company cannot predict the final outcome of this matter, it believes the class action to be without merit and plans to vigorously defend against it. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with this matter.
On November 8, 2023, a stockholder filed a derivative lawsuit in the U.S. District Court of the District of Delaware asserting claims on the Company’s behalf against the members of the Company’s Board of Directors and certain of the Company’s current/former officers (James Foster, the Chief Executive Officer; David R. Smith, the former Chief Financial Officer; and Flavia Pease, the current Chief Financial Officer). The complaint alleges that the defendants breached their fiduciary duties to the Company and its stockholders because certain of the Company’s disclosures about its practices with respect to the importation of non-human primates were materially false or misleading. The complaint also alleges that the defendants breached their fiduciary duties by causing the Company to fail to maintain adequate internal controls over securities disclosure and compliance with applicable law and by failing to comply with the company’s Code of Business Conduct and Ethics. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. On August 2, 2024, a different stockholder filed a lawsuit in the U.S. District Court of Delaware asserting similar derivative claims on the Company’s behalf against members of the Company’s current and former Board of Directors and the same current/former officers based on similar allegations of purportedly misleading disclosures and non-compliance with legal rules and ethics standards in respect of the importation of non-human primates, as well as insider-trading claims against certain of the defendants. The lawsuit is currently stayed by agreement of the parties pending further developments in the Securities Class Action pending in the United States Court of Appeals for the First Circuit. While the Company cannot predict the outcome of these matters, it believes the derivative lawsuits to be without merit and plans to vigorously defend against them. The Company cannot reasonably estimate the maximum potential exposure or the range of possible loss in association with these matters.
Aside from the matters above, the Company believes there are no other matters pending against the Company that could have a material impact on the Company’s business, financial condition, or results of operations.
v3.24.3
Pay vs Performance Disclosure - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Pay vs Performance Disclosure        
Net income attributable to Charles River Laboratories International Inc. $ 69,657 $ 87,389 $ 236,698 $ 287,540
v3.24.3
Insider Trading Arrangements
 3 Months Ended 9 Months Ended
Sep. 28, 2024
shares
Sep. 28, 2024
shares
Trading Arrangements, by Individual    
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
George Massaro [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement   On August 19, 2024, George Massaro, one of our directors, entered into a Rule 10b5-1 trading arrangement for the sale of up to 280 shares of common stock, in connection with the vesting of 559 RSUs in May 2025, subject to certain conditions. The arrangement’s expiration date is May 18, 2025.
Name George Massaro  
Title director  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date August 19, 2024  
Expiration Date May 18, 2025  
Arrangement Duration 272 days  
George Massaro Trading Arrangement, Common Stock [Member] | George Massaro [Member]    
Trading Arrangements, by Individual    
Aggregate Available 280 280
George Massaro Trading Arrangement, Restricted Stock Units (RSUs) [Member] | George Massaro [Member]    
Trading Arrangements, by Individual    
Aggregate Available 559 559
v3.24.3
BASIS OF PRESENTATION (Policies)
 9 Months Ended
Sep. 28, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Basis of Presentation
The accompanying condensed consolidated financial statements are unaudited and have been prepared by Charles River Laboratories International, Inc. (the Company) in accordance with accounting principles generally accepted in the United States (U.S. GAAP) and pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). The year-end condensed consolidated balance sheet data was derived from the Company’s audited consolidated financial statements, but does not include all disclosures required by U.S. GAAP. These unaudited condensed consolidated financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for fiscal year 2023 as filed with the SEC on February 14, 2024. Certain reclassifications of prior year amounts have been made to conform to the current year presentation. The unaudited condensed consolidated financial statements, in the opinion of management, reflect all normal and recurring adjustments necessary for a fair statement of the Company’s financial position and results of operations.
Use of Estimates
Use of Estimates
The preparation of unaudited condensed consolidated financial statements in accordance with U.S. GAAP requires that the Company make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues, expenses and related disclosure of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, judgments, and methodologies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results may differ from these estimates under different assumptions or conditions. Changes in estimates are reflected in reported results in the period in which they become known.
Newly Issued Accounting Pronouncements
Newly Issued Accounting Pronouncements
In November 2023, the FASB issued ASU 2023-07, “Improvements to Reportable Segment Disclosures (Topic 280)”. ASU 2023-07 modifies reportable segment disclosure requirements, primarily through enhanced disclosures about segment expenses categorized as significant or regularly provided to the Chief Operating Decision Maker (CODM). In addition, the amendments enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss, and contain other disclosure requirements. The purpose of the amendments is to enable investors to better understand an entity’s overall performance and assess potential future cash flows. This ASU is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted and the amendments in this update are required to be applied on a retrospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements, but does not believe there will be a material impact.
In December 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures (Topic 740)”. ASU 2023-09 requires enhanced disclosures on income taxes paid, adds disaggregation of continuing operations before income taxes between foreign and domestic earnings and defines specific categories for the reconciliation of jurisdictional tax rate to effective tax rate. This ASU is effective for fiscal years beginning after December 15, 2024, and can be applied on a prospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures on the consolidated financial statements.
Consolidation
Consolidation
The Company’s unaudited condensed consolidated financial statements reflect its financial statements and those of its subsidiaries in which the Company holds a controlling financial interest. For consolidated entities in which the Company owns or is exposed to less than 100% of the economics, the Company records net income (loss) attributable to noncontrolling interests in its unaudited condensed consolidated statements of income equal to the percentage of the economic or ownership interest retained in such entities by the respective noncontrolling parties. Redeemable noncontrolling interests, where the noncontrolling interest holders have the ability to require the Company to purchase the remaining interests, are classified in the mezzanine section of the unaudited condensed consolidated balance sheets, which is presented above the equity section and below liabilities. Intercompany balances and transactions are eliminated in consolidation.
The Company’s fiscal year is typically based on 52-weeks, with each quarter composed of 13 weeks ending on the last Saturday on, or closest to, March 31, June 30, September 30, and December 31. A 53rd week in the fourth quarter of the fiscal year is occasionally necessary to align with a December 31 calendar year-end.
Segment Reporting
Segment Reporting
The Company reports its results in three reportable segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing).
The Company’s RMS reportable segment includes products and services offered within the Research Models, Research Model Services, and Cell Solutions. Research Models includes the commercial production and sale of small research models, as well as the supply of large research models. Research Model Services includes: Insourcing Solutions (IS), which provides colony management of clients’ research operations (including recruitment, training, staffing, and management services) within the clients’ facilities and utilizing the Charles River Accelerator and Development Lab (CRADL™) offering, which provides vivarium space to clients, Genetically Engineered Models and Services (GEMS), which performs contract breeding and other services associated with genetically engineered models, and Research Animal Diagnostic Services (RADS), which provides health monitoring and diagnostics services related to research models; and Cell Solutions, which supplies controlled, consistent, customized primary cells and blood components derived from normal and mobilized peripheral blood and bone marrow.
The Company’s DSA reportable segment includes Discovery Services and Safety Assessment services. The Company provides regulated and non-regulated DSA services to support the research, development, and regulatory-required safety testing of potential new drugs, including therapeutic discovery and optimization plus in vitro (non-animal) and in vivo (in research models) studies, laboratory support services, and strategic non-clinical consulting and program management to support product development.
The Company’s Manufacturing reportable segment includes Microbial Solutions, which provides in vitro lot-release testing products, microbial detection products, and species identification services and Biologics Solutions (Biologics), which performs specialized testing of biologics (Biologics Testing Solutions) as well as contract development and manufacturing products and services (CDMO).
v3.24.3
ACQUISITIONS AND DIVESTITURES (Tables)
 9 Months Ended
Sep. 28, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
Schedule of Purchase Price Allocation and Transaction and Integration Costs
The purchase price allocation was as follows:
Noveprim Group(1)
SAMDI Tech, Inc.
November 30, 2023January 27, 2023
(in thousands)
Trade receivables$1,308 $513 
Inventories66,500 — 
Other current assets (excluding cash)3,261 75 
Property, plant and equipment36,154 593 
Operating lease right-of-use asset, net104 — 
Goodwill (2)
190,024 37,129 
Definite-lived intangible assets9,500 33,070 
Other long-term assets (3)
167,907 6 
Deferred revenue— (43)
Other current liabilities(16,268)(351)
Operating lease right-of-use liabilities (Long-term)(97)— 
Deferred tax liabilities(12,984)(8,191)
Other long-term liabilities(7,579)— 
Redeemable noncontrolling interest (4)
(45,426)— 
Total purchase price allocation$392,404 $62,801 
(1) Purchase price allocation is preliminary and subject to change as additional information becomes available concerning the fair value and tax basis of the assets acquired and liabilities assumed, including certain contracts, obligations, and finalization of any working capital adjustments. Any additional adjustments to the purchase price allocation will be made as soon as practicable but no later than one year from the date of acquisition.
(2) The goodwill resulting from these transactions is primarily attributable to the potential growth of the Company’s segments from new customers introduced to the acquired businesses or synergies to be realized from acquiring an internal supplier servicing the DSA business and the assembled workforce of the acquirees, thus is not deductible for tax purposes.
(3) Other long-term assets acquired from the Noveprim acquisition include $167.8 million of biological assets, which will be amortized over an estimated eight-year useful life.
(4) Refer to Note 12 – Equity and Noncontrolling Interests for further a description of the 10% noncontrolling interest fair value.
Schedule of Definite-Lived Intangible Assets Acquired as Part of Business Combination
The definite-lived intangible assets acquired were as follows:
Noveprim GroupSAMDI Tech, Inc.
Definite-Lived Intangible Assets(in thousands)
Client relationships$— $23,400 
Other intangible assets9,500 9,670 
Total definite-lived intangible assets$9,500 $33,070 
Weighted Average Amortization Life(in years)
Client relationships— 15
Other intangible assets77
Total definite-lived intangible assets712
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)
 9 Months Ended
Sep. 28, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following table disaggregates the Company’s revenue by reportable segment and timing of transfer of products or services:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Timing of Revenue Recognition:
RMS
Services and products transferred over time$93,446 $94,883 $285,794 $282,980 
Services and products transferred at a point in time104,378 91,965 339,326 313,582 
Total RMS revenue197,824 186,848 625,120 596,562 
DSA
Services and products transferred over time613,388 663,128 1,844,298 1,987,617 
Services and products transferred at a point in time1,672 900 3,633 2,221 
Total DSA revenue615,060 664,028 1,847,931 1,989,838 
Manufacturing
Services and products transferred over time107,284 94,446 311,823 280,992 
Services and products transferred at a point in time89,595 81,301 262,566 248,541 
Total Manufacturing revenue196,879 175,747 574,389 529,533 
Total revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Revenue by geographic area is as follows:
U.S.EuropeCanadaAsia Pacific
Other (1)
Consolidated
(in thousands)
Three Months Ended:
September 28, 2024$559,277 $267,123 $127,088 $45,009 $11,266 $1,009,763 
September 30, 2023590,316 264,787 129,023 40,233 2,264 1,026,623 
Nine Months Ended:
September 28, 2024$1,693,021 $814,819 $362,733 $141,168 $35,699 $3,047,440 
September 30, 20231,802,532 805,466 357,276 142,910 7,749 3,115,933 
(1) The Other category represents operations located in Brazil, Israel, and Mauritius.
Schedule of Client Receivables, Contract Assets and Contract Liabilities
The following table provides information about client receivables, contract assets, and contract liabilities from contracts with customers:
September 28, 2024December 30, 2023
(in thousands)
Assets from contracts with customers
Client receivables$557,761 $578,077 
Unbilled revenue220,323 228,020 
Total778,084 806,097 
Less: Allowance for credit losses(23,877)(25,722)
Trade receivables and contract assets, net$754,207 $780,375 
Liabilities from contracts with customers
Current deferred revenue$251,968 $241,820 
Long-term deferred revenue (included in Other long-term liabilities)34,915 30,919 
Customer contract deposits (included in Other current liabilities)99,455 85,554 
The associated revenue is recognized on a straight-line basis over the term of the lease, which is generally less than one year.
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Statements of Income
(in thousands)
Lease revenue$16,622 $22,254 $54,312 $70,235 Service revenue
Schedule of Allowance for Credit Losses
The following is a summary of the activity of the Company’s allowance for credit losses:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$25,722 $11,278 
Provisions8,223 11,030 
Reductions(10,068)(1,121)
Ending balance$23,877 $21,187 
v3.24.3
SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
 9 Months Ended
Sep. 28, 2024
Segment Reporting [Abstract]  
Schedule of Revenue and Other Financial Information by Business Segment The following table presents the results of operations by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS  
Revenue$197,824 $186,848 $625,120 $596,562 
Cost of revenue (excluding amortization of intangible assets)137,906 126,640 421,773 381,332 
Selling, general and administrative26,453 26,483 84,943 81,194 
Amortization of intangible assets5,921 5,399 17,763 16,383 
Operating income$27,544 $28,326 $100,641 $117,653 
DSA
Revenue$615,060 $664,028 $1,847,931 $1,989,838 
Cost of revenue (excluding amortization of intangible assets)409,684 436,174 1,246,560 1,268,248 
Selling, general and administrative63,260 63,369 174,598 189,076 
Amortization of intangible assets15,680 17,666 47,122 52,726 
Operating income$126,436 $146,819 $379,651 $479,788 
Manufacturing
Revenue$196,879 $175,747 $574,389 $529,533 
Cost of revenue (excluding amortization of intangible assets)113,152 101,968 331,530 327,882 
Selling, general and administrative32,737 36,338 99,397 114,556 
Amortization of intangible assets10,802 11,166 32,363 34,311 
Operating income$40,188 $26,275 $111,099 $52,784 
Unallocated Corporate
Selling, general and administrative$76,763 $49,918 $196,357 $165,886 
Operating income (1)
$(76,763)$(49,918)$(196,357)$(165,886)
Consolidated
Revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Cost of revenue (excluding amortization of intangible assets)660,742 664,783 1,999,863 1,977,462 
Selling, general and administrative199,213 176,109 555,295 550,713 
Amortization of intangible assets32,403 34,229 97,248 103,419 
Operating income$117,405 $151,502 $395,034 $484,339 
(1) Operating income for unallocated corporate consists of costs associated with departments such as senior executives, corporate accounting, legal, tax, human resources, treasury, and investor relations.
Capital expenditures and depreciation and amortization (related to both intangible assets and certain assets acquired in business combinations) by reportable segment are as follows:
RMSDSAManufacturingUnallocated CorporateConsolidated
(in thousands)
Capital Expenditures
Three Months Ended:
September 28, 2024$7,186 $22,773 $8,735 $27 $38,721 
September 30, 20239,192 41,967 14,349 439 65,947 
Nine Months Ended:
September 28, 2024$36,543 $91,176 $28,180 $1,452 $157,351 
September 30, 202335,769 155,477 46,949 2,010 240,205 
Depreciation and amortization
Three Months Ended:
September 28, 2024$18,389 $47,751 $20,298 $1,760 $88,198 
September 30, 202313,872 44,088 20,070 840 78,870 
Nine Months Ended:
September 28, 2024$53,050 $141,269 $60,176 $5,142 $259,637 
September 30, 202341,310 129,662 59,677 2,961 233,610 
Schedule of Revenue by Geographic Area
The following table disaggregates the Company’s revenue by reportable segment and timing of transfer of products or services:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Timing of Revenue Recognition:
RMS
Services and products transferred over time$93,446 $94,883 $285,794 $282,980 
Services and products transferred at a point in time104,378 91,965 339,326 313,582 
Total RMS revenue197,824 186,848 625,120 596,562 
DSA
Services and products transferred over time613,388 663,128 1,844,298 1,987,617 
Services and products transferred at a point in time1,672 900 3,633 2,221 
Total DSA revenue615,060 664,028 1,847,931 1,989,838 
Manufacturing
Services and products transferred over time107,284 94,446 311,823 280,992 
Services and products transferred at a point in time89,595 81,301 262,566 248,541 
Total Manufacturing revenue196,879 175,747 574,389 529,533 
Total revenue$1,009,763 $1,026,623 $3,047,440 $3,115,933 
Revenue by geographic area is as follows:
U.S.EuropeCanadaAsia Pacific
Other (1)
Consolidated
(in thousands)
Three Months Ended:
September 28, 2024$559,277 $267,123 $127,088 $45,009 $11,266 $1,009,763 
September 30, 2023590,316 264,787 129,023 40,233 2,264 1,026,623 
Nine Months Ended:
September 28, 2024$1,693,021 $814,819 $362,733 $141,168 $35,699 $3,047,440 
September 30, 20231,802,532 805,466 357,276 142,910 7,749 3,115,933 
(1) The Other category represents operations located in Brazil, Israel, and Mauritius.
Schedule of Long-Lived Assets by Geographic Area Long-lived assets by geographic area are as follows:
U.S.EuropeCanadaAsia PacificOtherConsolidated
(in thousands)
Long-lived assets
September 28, 2024$953,412 $425,967 $152,980 $70,816 $36,803 $1,639,978 
December 30, 2023964,176 407,375 157,483 74,605 36,102 1,639,741 
v3.24.3
SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 9 Months Ended
Sep. 28, 2024
Supplemental Cash Flow Information [Abstract]  
Schedule of Supplemental Cash Flow Information
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Cash paid for income taxes$94,609 $75,783 
Cash paid for interest98,572 106,014 
Non-cash investing activities:
Purchases of Property, plant and equipment included in Accounts payable and Accrued liabilities$32,764 $41,526 
Assets acquired under finance leases3,159 154 
Cash, cash equivalents and restricted cash is included in the accompanying unaudited condensed consolidated balance sheets as follows:
September 28, 2024September 30, 2023
(in thousands)
Supplemental cash flow information:
Cash and cash equivalents$210,171 $157,174 
Restricted cash included in Other current assets323 6,586 
Restricted cash included in Other assets1,146 1,856 
Cash, cash equivalents, and restricted cash, end of period$211,640 $165,616 
v3.24.3
INVENTORY (Tables)
 9 Months Ended
Sep. 28, 2024
Inventory Disclosure [Abstract]  
Schedule of Composition of Inventories
The composition of inventories is as follows:
September 28, 2024December 30, 2023
(in thousands)
Raw materials and supplies$45,264 $42,296 
Work in process46,976 59,727 
Finished products243,960 278,236 
Inventories$336,200 $380,259 
v3.24.3
PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
 9 Months Ended
Sep. 28, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Composition of Property, Plant and Equipment, Net
The composition of property, plant and equipment, net is as follows:
September 28, 2024December 30, 2023
(in thousands)
Land$79,670 $79,546 
Buildings (1)
1,097,064 1,053,915 
Machinery and equipment (1)
1,040,195 984,867 
Leasehold improvements404,442 366,556 
Furniture and fixtures32,640 31,284 
Computer hardware and software (1)
265,392 254,413 
Vehicles (1)
7,502 6,746 
Construction in progress176,541 197,723 
Total3,103,446 2,975,050 
Less: Accumulated depreciation(1,463,468)(1,335,309)
Property, plant and equipment, net$1,639,978 $1,639,741 
(1) These balances include assets under finance leases.
v3.24.3
VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS - (Tables)
 9 Months Ended
Sep. 28, 2024
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity Method Investments
Venture capital investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$121,158 $129,012 
Capital contributions16,205 12,056 
Distributions(20,324)(12,972)
Gains (losses)
8,439 (14,258)
Foreign currency translation466 260 
Ending balance$125,944 $114,098 
The Company also invests, with minority positions, directly in equity of predominantly privately held companies. Strategic investments are summarized below:
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$122,653 $182,590 
Purchase of investments2,140 21,489 
Distributions— (7,493)
Gain (loss)
(9,430)5,012 
Reduction for acquisition of entity (1)
— (12,635)
Other investment activity(5,540)— 
Foreign currency translation220 (1,214)
Ending balance$110,043 $187,749 
(1) Refer to Note 2 – Acquisitions and Divestitures for further discussion on the acquisition of SAMDI.
v3.24.3
FAIR VALUE (Tables)
 9 Months Ended
Sep. 28, 2024
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
Assets and liabilities measured at fair value on a recurring basis are summarized below:
 September 28, 2024
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $30 $— $30 
Interest rate swap— 278 — 278 
Other assets:
Life insurance policies— 47,734 — 47,734 
Total assets measured at fair value$— $48,042 $— $48,042 
Other long-term liabilities measured at fair value:
Contingent consideration$— $— $39,893 $39,893 
Total liabilities measured at fair value$— $— $39,893 $39,893 
 December 30, 2023
Level 1Level 2Level 3Total
Current assets measured at fair value:(in thousands)
Cash equivalents$— $29 $— $29 
Other assets:
Life insurance policies— 40,912 — 40,912 
Interest rate swap— 966 — 966 
Total assets measured at fair value$— $41,907 $— $41,907 
Other long-term liabilities measured at fair value
Contingent consideration$— $— $33,265 $33,265 
Total liabilities measured at fair value$— $— $33,265 $33,265 
The book value and fair value of the Company’s Senior Notes is summarized below:
September 28, 2024December 30, 2023
Book ValueFair ValueBook ValueFair Value
(in thousands)
4.25% Senior Notes due 2028
$500,000 $484,350 $500,000 $478,100 
3.75% Senior Notes due 2029
500,000 470,100 500,000 458,100 
4.00% Senior Notes due 2031
500,000 459,350 500,000 449,350 
Schedule of Rollforward of Contingent Consideration Related to Previous Acquisitions
The following table provides a rollforward of the contingent consideration related to the Company’s acquisitions.
Nine Months Ended
September 28, 2024September 30, 2023
(in thousands)
Beginning balance$33,265 $13,431 
Payments— (15,130)
Total gains or losses (realized/unrealized):
Adjustment of previously recorded contingent liability6,628 1,810 
Foreign currency translation— (111)
Ending balance$39,893 $— 
v3.24.3
GOODWILL AND INTANGIBLE ASSETS (Tables)
 9 Months Ended
Sep. 28, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table provides a rollforward of the Company’s goodwill:
RMS
DSA (1)
ManufacturingTotal
(in thousands)
December 30, 2023$497,474 $1,662,434 $935,137 $3,095,045 
Acquisitions— 17,675 — 17,675 
Foreign exchange203 (4,480)16,149 11,872 
September 28, 2024$497,677 $1,675,629 $951,286 $3,124,592 
(1) DSA includes accumulated impairment losses of $1 billion, which were recognized in fiscal years 2008 and 2010.
Schedule of Intangible Assets
The following table displays intangible assets, net by major class:
 September 28, 2024December 30, 2023
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
(in thousands)
Client relationships$1,541,032 $(808,507)$732,525 $1,528,780 $(721,322)$807,458 
Technology144,241 (118,793)25,448 142,190 (111,764)30,426 
Trademarks and trade names12,091 (5,505)6,586 11,878 (4,568)7,310 
Backlog3,100 (3,100)— 3,100 (2,177)923 
Other43,185 (29,283)13,902 43,611 (25,677)17,934 
Intangible assets$1,743,649 $(965,188)$778,461 $1,729,559 $(865,508)$864,051 
v3.24.3
DEBT AND OTHER FINANCING ARRANGEMENTS (Tables)
 9 Months Ended
Sep. 28, 2024
Debt Disclosure [Abstract]  
Schedule of Long-term Debt and Finance Lease Obligations
Long-term debt, net and finance leases consists of the following:
September 28, 2024December 30, 2023
(in thousands)
Revolving facility$794,290 $1,129,243 
4.25% Senior Notes due 2028
500,000 500,000 
3.75% Senior Notes due 2029
500,000 500,000 
4.00% Senior Notes due 2031
500,000 500,000 
Other debt16,122 9,575 
Finance leases 31,116 28,550 
Total debt and finance leases2,341,528 2,667,368 
Less:
Current portion of long-term debt157 3,172 
Current portion of finance leases3,043 2,398 
Current portion of long-term debt and finance leases3,200 5,570 
Long-term debt and finance leases2,338,328 2,661,798 
Debt discount and debt issuance costs(11,675)(14,651)
Long-term debt, net and finance leases$2,326,653 $2,647,147 
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS (Tables)
 9 Months Ended
Sep. 28, 2024
Equity [Abstract]  
Schedule of Reconciliation of the Numerator and Denominator in the Computations of the Basic and Diluted Earnings Per Share
The following table reconciles the numerator and denominator in the computations of basic and diluted earnings per share:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
Numerator:  
Net income$70,295 $88,021 $239,038 $291,418 
Less: Net income attributable to noncontrolling interests638 632 2,340 3,878 
Net income attributable to Charles River Laboratories International Inc.69,657 87,389 236,698 287,540 
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders
Net income attributable to Charles River Laboratories International Inc.$69,657 $87,389 $236,698 $287,540 
Less: Adjustment of redeemable noncontrolling interest (1)
379 — 1,081 — 
Less: Incremental dividends attributable to noncontrolling interest holders (2)
599 — 9,621 — 
Net income available to Charles River Laboratories International Inc. common shareholders$68,679 $87,389 $225,996 $287,540 
Denominator:  
Weighted-average shares outstanding - Basic51,394 51,283 51,461 51,199 
Effect of dilutive securities:
Stock options, restricted stock units and performance share units189 324 252 294 
Weighted-average shares outstanding - Diluted51,583 51,607 51,713 51,493 
Anti-dilutive common stock equivalents (3)
746 588 505 514 
(1) Represents adjustments of redeemable noncontrolling interest that impact retained earnings.
(2) Represents incremental declared and undeclared dividends attributable to Noveprim noncontrolling interest holders who are entitled to preferential dividends for fiscal year 2024.
(3) These common stock equivalents were outstanding for the periods presented, but were not included in the computation of diluted EPS for those periods because their inclusion would have had an anti-dilutive effect.
Schedule of Accumulated Other Comprehensive Income (Loss)
Changes to each component of accumulated other comprehensive income (loss), net of income taxes, are as follows:
Foreign Currency Translation Adjustment
and Other 		Pension and Other Post-Retirement Benefit PlansNet Unrealized (Loss) Gain on Cash Flow HedgeTotal
(in thousands)
December 30, 2023$(149,999)$(47,167)$739 $(196,427)
Other comprehensive income (loss) before reclassifications
4,054 1,038 (688)4,404 
Net current period other comprehensive income (loss)
4,054 1,038 (688)4,404 
Income tax expense (benefit)757 256 (165)848 
September 28, 2024$(146,702)$(46,385)$216 $(192,871)
v3.24.3
INCOME TAXES (Tables)
 9 Months Ended
Sep. 28, 2024
Income Tax Disclosure [Abstract]  
Schedule of Prepaid and Accrued Tax Positions
The Company’s prepaid and accrued tax positions are as follows:
September 28, 2024December 30, 2023Affected Line Item in the Unaudited Condensed Consolidated Balance Sheets
(in thousands)
Prepaid income tax$82,153 $59,715 Other current assets
Accrued income taxes39,673 38,819 Other current liabilities
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS (Tables)
 9 Months Ended
Sep. 28, 2024
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Costs
The following table presents restructuring costs by reportable segment:
Three Months EndedNine Months Ended
September 28, 2024September 30, 2023September 28, 2024September 30, 2023
(in thousands)
RMS$4,965 $965 $22,580 $965 
DSA13,866 13,220 24,123 13,218 
Manufacturing5,372 975 9,660 7,162 
Unallocated corporate6,443 — 9,237 — 
Total$30,646 $15,160 $65,600 $21,345 
The following table presents restructuring costs as included within the Company’s unaudited condensed consolidated statements of income:
September 28, 2024September 30, 2023
Severance and Transition CostsAsset Impairments and Other CostsTotalSeverance and Transition CostsAsset Impairments and Other CostsTotal
(in thousands)
Three Months Ended
Cost of services provided (excluding amortization of intangible assets)$12,830 $3,482 $16,312 $2,160 $11,418 $13,578 
Cost of products sold (excluding amortization of intangible assets)1,783 650 2,433 480 174 654 
Selling, general and administrative11,923 (22)11,901 937 (9)928 
Total restructuring costs$26,536 $4,110 $30,646 $3,577 $11,583 $15,160 
Nine Months Ended
Cost of services provided (excluding amortization of intangible assets)$20,510 $6,516 $27,026 $5,088 $11,418 $16,506 
Cost of products sold (excluding amortization of intangible assets)2,530 11,134 13,664 534 2,920 3,454 
Selling, general and administrative18,430 6,480 24,910 1,386 (1)1,385 
Total restructuring costs$41,470 $24,130 $65,600 $7,008 $14,337 $21,345 
Schedule of Rollforward of Company's Severance and Retention Costs Liability
The following table provides a rollforward for the Company’s accrued restructuring costs related to all restructuring activities:
Severance and Transition Costs
Asset Impairments
Other Costs
Total
(in thousands)
Nine Months Ended September 28, 2024
Beginning balance
$4,175 $— $875 $5,050 
Expense
41,470 15,999 8,131 65,600 
Payments / utilization
(17,920)— (6,762)(24,682)
Other non-cash adjustments
— (15,999)(1,369)(17,368)
Foreign currency adjustments
57 — — 57 
Ending Balance
$27,782 $— $875 $28,657 
Nine Months Ended September 30, 2023
Beginning balance
$356 $— $944 $1,300 
Expense
7,008 13,269 1,068 21,345 
Payments / utilization
(3,179)— (710)(3,889)
Other non-cash adjustments
— (13,269)(427)(13,696)
Foreign currency adjustments
(42)— — (42)
Ending Balance
$4,143 $— $875 $5,018 
v3.24.3
BASIS OF PRESENTATION (Details)
 9 Months Ended
Sep. 28, 2024
segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of reportable segments 3
v3.24.3
ACQUISITIONS AND DIVESTITURES - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended 23 Months Ended
Jan. 27, 2023
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Dec. 31, 2022
Nov. 30, 2023
Business Acquisition [Line Items]              
Cash portion of consideration transferred       $ 5,479,000 $ 50,166,000    
Noveprim Group              
Business Acquisition [Line Items]              
Percentage of voting interests acquired             41.00%
Equity interest acquired (as percent)             90.00%
Business combination, equity stake percentage           49.00%  
Purchase of remaining equity interest of other redeemable noncontrolling interest           $ 90,000,000.0  
Contingent liability           $ 5,000,000  
Purchase price             $ 392,400,000
Additional cash paid             144,600,000
Business combination, consideration transferred, other             209,500,000
Gain in equity equal to the excess fair value of additional equity interest purchased       9,800,000     113,000,000.0
Contingent consideration             33,300,000
Business combination deferred purchase price             12,000,000.0
Adjustments for working capital/debt   $ 7,000,000.0   7,000,000.0     13,800,000
Goodwill, purchase accounting adjustments       17,600,000      
Consideration contingent upon future performance             $ 55,000,000.0
Business combination, remaining equity to purchase (as percent)             10.00%
Call option term, period after sixth anniversary (in months)             1 month
Put option term, period after first anniversary (in months)             12 months
Transaction and integration costs   300,000 $ 700,000 1,200,000 2,900,000    
Noveprim Group | Minimum              
Business Acquisition [Line Items]              
Business combination, redemption price             $ 47,000,000.0
Noveprim Group | Maximum              
Business Acquisition [Line Items]              
Business combination, redemption price             $ 54,000,000.0
SAMDI Tech, Inc.              
Business Acquisition [Line Items]              
Business combination, equity stake percentage 20.00%            
Transaction and integration costs   $ 0 $ 500,000 $ 0 $ 800,000    
Cash portion of consideration transferred $ 62,800,000            
Cash acquired 400,000            
Value of previously owned interest in acquiree $ 12,600,000            
v3.24.3
ACQUISITIONS AND DIVESTITURES - Schedule of Purchase Price Allocation and Transaction and Integration Costs (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Nov. 30, 2023
Jan. 27, 2023
Business Acquisition [Line Items]        
Goodwill $ 3,124,592 $ 3,095,045    
Noveprim Group        
Business Acquisition [Line Items]        
Trade receivables     $ 1,308  
Inventories     66,500  
Other current assets (excluding cash)     3,261  
Property, plant and equipment     36,154  
Operating lease right-of-use asset, net     104  
Goodwill     190,024  
Definite-lived intangible assets     9,500  
Other long-term assets     167,907  
Deferred revenue     0  
Other current liabilities     (16,268)  
Operating lease right-of-use liabilities (Long-term)     (97)  
Deferred tax liabilities     (12,984)  
Other long-term liabilities     (7,579)  
Redeemable noncontrolling interest     (45,426)  
Total purchase price allocation     392,404  
Biological assets     $ 167,800  
Biological assets, useful life (in years)     8 years  
Business combination, remaining equity to purchase (as percent)     10.00%  
SAMDI Tech, Inc.        
Business Acquisition [Line Items]        
Trade receivables       $ 513
Inventories       0
Other current assets (excluding cash)       75
Property, plant and equipment       593
Operating lease right-of-use asset, net       0
Goodwill       37,129
Definite-lived intangible assets       33,070
Other long-term assets       6
Deferred revenue       (43)
Other current liabilities       (351)
Operating lease right-of-use liabilities (Long-term)       0
Deferred tax liabilities       (8,191)
Other long-term liabilities       0
Redeemable noncontrolling interest       0
Total purchase price allocation       $ 62,801
v3.24.3
ACQUISITIONS AND DIVESTITURES - Schedule of Definite-Lived Intangible Assets Acquired as Part of Business Combination (Details) - USD ($)
$ in Thousands
Nov. 30, 2023
Jan. 27, 2023
Noveprim Group    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets $ 9,500  
Weighted Average Amortization Life 7 years  
Noveprim Group | Client relationships    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets $ 0  
Weighted Average Amortization Life 0 years  
Noveprim Group | Other intangible assets    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets $ 9,500  
Weighted Average Amortization Life 7 years  
SAMDI Tech, Inc.    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets   $ 33,070
Weighted Average Amortization Life   12 years
SAMDI Tech, Inc. | Client relationships    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets   $ 23,400
Weighted Average Amortization Life   15 years
SAMDI Tech, Inc. | Other intangible assets    
Business Acquisition [Line Items]    
Definite-Lived Intangible Assets   $ 9,670
Weighted Average Amortization Life   7 years
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Dec. 30, 2023
Dec. 31, 2022
Disaggregation of Revenue [Line Items]        
Percentage of unbilled revenue billed during period 90.00% 90.00%    
Unbilled revenue $ 220,323   $ 228,020 $ 204,000
Percentage of contract liabilities recognized as revenue during period 80.00% 80.00%    
Contract liabilities     273,000 $ 290,000
Unpaid advanced client billings $ 36,000   $ 41,000  
Net provision expense 7,200 $ 10,200    
Performance obligations expected to be satisfied $ 803,500      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-29        
Disaggregation of Revenue [Line Items]        
Revenue, remaining performance obligation, percentage 50.00%      
Performance obligations expected to be satisfied, expected timing 12 months      
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenues by Major Business Line (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,009,763 $ 1,026,623 $ 3,047,440 $ 3,115,933
RMS        
Disaggregation of Revenue [Line Items]        
Total revenue 197,824 186,848 625,120 596,562
RMS | Services and products transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 93,446 94,883 285,794 282,980
RMS | Services and products transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 104,378 91,965 339,326 313,582
DSA        
Disaggregation of Revenue [Line Items]        
Total revenue 615,060 664,028 1,847,931 1,989,838
DSA | Services and products transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 613,388 663,128 1,844,298 1,987,617
DSA | Services and products transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 1,672 900 3,633 2,221
Manufacturing        
Disaggregation of Revenue [Line Items]        
Total revenue 196,879 175,747 574,389 529,533
Manufacturing | Services and products transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 107,284 94,446 311,823 280,992
Manufacturing | Services and products transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue $ 89,595 $ 81,301 $ 262,566 $ 248,541
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Client Receivables, Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]      
Client receivables $ 557,761 $ 578,077  
Unbilled revenue 220,323 228,020 $ 204,000
Total 778,084 806,097  
Less: Allowance for credit losses (23,877) (25,722)  
Trade receivables and contract assets, net 754,207 780,375  
Current deferred revenue 251,968 241,820  
Long-term deferred revenue (included in Other long-term liabilities) 34,915 30,919  
Customer contract deposits (included in Other current liabilities) $ 99,455 $ 85,554  
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Beginning balance $ 25,722 $ 11,278
Provisions 8,223 11,030
Reductions (10,068) (1,121)
Ending balance $ 23,877 $ 21,187
v3.24.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Lease Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Revenue from Contract with Customer [Abstract]        
Lease revenue $ 16,622 $ 22,254 $ 54,312 $ 70,235
v3.24.3
SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Revenue and Other Financial Information by Reportable Segment (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 28, 2024
USD ($)
segment
Sep. 30, 2023
USD ($)
Segment Reporting [Abstract]        
Number of reportable segments | segment     3  
Segment Reporting Information [Line Items]        
Revenue $ 1,009,763 $ 1,026,623 $ 3,047,440 $ 3,115,933
Cost of revenue (excluding amortization of intangible assets) 660,742 664,783 1,999,863 1,977,462
Selling, general and administrative 199,213 176,109 555,295 550,713
Amortization of intangible assets 32,403 34,229 97,248 103,419
Operating income 117,405 151,502 395,034 484,339
Capital Expenditures 38,721 65,947 157,351 240,205
Depreciation and amortization 88,198 78,870 259,637 233,610
Unallocated corporate        
Segment Reporting Information [Line Items]        
Selling, general and administrative 76,763 49,918 196,357 165,886
Operating income (76,763) (49,918) (196,357) (165,886)
Capital Expenditures 27 439 1,452 2,010
Depreciation and amortization 1,760 840 5,142 2,961
RMS        
Segment Reporting Information [Line Items]        
Revenue 197,824 186,848 625,120 596,562
RMS | Operating Segments        
Segment Reporting Information [Line Items]        
Revenue 197,824 186,848 625,120 596,562
Cost of revenue (excluding amortization of intangible assets) 137,906 126,640 421,773 381,332
Selling, general and administrative 26,453 26,483 84,943 81,194
Amortization of intangible assets 5,921 5,399 17,763 16,383
Operating income 27,544 28,326 100,641 117,653
Capital Expenditures 7,186 9,192 36,543 35,769
Depreciation and amortization 18,389 13,872 53,050 41,310
DSA        
Segment Reporting Information [Line Items]        
Revenue 615,060 664,028 1,847,931 1,989,838
DSA | Operating Segments        
Segment Reporting Information [Line Items]        
Revenue 615,060 664,028 1,847,931 1,989,838
Cost of revenue (excluding amortization of intangible assets) 409,684 436,174 1,246,560 1,268,248
Selling, general and administrative 63,260 63,369 174,598 189,076
Amortization of intangible assets 15,680 17,666 47,122 52,726
Operating income 126,436 146,819 379,651 479,788
Capital Expenditures 22,773 41,967 91,176 155,477
Depreciation and amortization 47,751 44,088 141,269 129,662
Manufacturing        
Segment Reporting Information [Line Items]        
Revenue 196,879 175,747 574,389 529,533
Manufacturing | Operating Segments        
Segment Reporting Information [Line Items]        
Revenue 196,879 175,747 574,389 529,533
Cost of revenue (excluding amortization of intangible assets) 113,152 101,968 331,530 327,882
Selling, general and administrative 32,737 36,338 99,397 114,556
Amortization of intangible assets 10,802 11,166 32,363 34,311
Operating income 40,188 26,275 111,099 52,784
Capital Expenditures 8,735 14,349 28,180 46,949
Depreciation and amortization $ 20,298 $ 20,070 $ 60,176 $ 59,677
v3.24.3
SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Revenue and Long-Lived Assets by Geographic Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Dec. 30, 2023
Segment Reporting Information [Line Items]          
Revenue $ 1,009,763 $ 1,026,623 $ 3,047,440 $ 3,115,933  
Long-lived assets 1,639,978   1,639,978   $ 1,639,741
U.S.          
Segment Reporting Information [Line Items]          
Revenue 559,277 590,316 1,693,021 1,802,532  
Long-lived assets 953,412   953,412   964,176
Europe          
Segment Reporting Information [Line Items]          
Revenue 267,123 264,787 814,819 805,466  
Long-lived assets 425,967   425,967   407,375
Canada          
Segment Reporting Information [Line Items]          
Revenue 127,088 129,023 362,733 357,276  
Long-lived assets 152,980   152,980   157,483
Asia Pacific          
Segment Reporting Information [Line Items]          
Revenue 45,009 40,233 141,168 142,910  
Long-lived assets 70,816   70,816   74,605
Other (1)          
Segment Reporting Information [Line Items]          
Revenue 11,266 $ 2,264 35,699 $ 7,749  
Long-lived assets $ 36,803   $ 36,803   $ 36,102
v3.24.3
SUPPLEMENTAL CASH FLOW INFORMATION - Schedule of Non-Cash Investing Activities (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Supplemental Cash Flow Information [Abstract]    
Cash paid for income taxes $ 94,609 $ 75,783
Cash paid for interest 98,572 106,014
Non-cash investing activities:    
Purchases of Property, plant and equipment included in Accounts payable and Accrued liabilities 32,764 41,526
Assets acquired under finance leases $ 3,159 $ 154
v3.24.3
SUPPLEMENTAL CASH FLOW INFORMATION - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Sep. 30, 2023
Dec. 31, 2022
Supplemental Cash Flow Information [Abstract]        
Cash and cash equivalents $ 210,171 $ 276,771 $ 157,174  
Restricted cash included in Other current assets 323   6,586  
Restricted cash included in Other assets 1,146   1,856  
Cash, cash equivalents, and restricted cash, end of period $ 211,640 $ 284,480 $ 165,616 $ 241,214
v3.24.3
INVENTORY - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 28, 2024
Inventory Disclosure [Abstract]    
Amortization of inventory step up $ 5.9 $ 16.5
v3.24.3
INVENTORY - Schedule of Composition of Inventories (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 45,264 $ 42,296
Work in process 46,976 59,727
Finished products 243,960 278,236
Inventories $ 336,200 $ 380,259
v3.24.3
PROPERTY, PLANT AND EQUIPMENT, NET - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Property, Plant and Equipment [Abstract]        
Depreciation $ 48.5 $ 44.6 $ 141.8 $ 130.2
v3.24.3
PROPERTY, PLANT AND EQUIPMENT, NET - Schedule of Composition of Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Property, Plant and Equipment [Line Items]    
Total $ 3,103,446 $ 2,975,050
Less: Accumulated depreciation (1,463,468) (1,335,309)
Property, plant and equipment, net 1,639,978 1,639,741
Land    
Property, Plant and Equipment [Line Items]    
Total 79,670 79,546
Buildings    
Property, Plant and Equipment [Line Items]    
Total 1,097,064 1,053,915
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Total 1,040,195 984,867
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total 404,442 366,556
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total 32,640 31,284
Computer hardware and software    
Property, Plant and Equipment [Line Items]    
Total 265,392 254,413
Vehicles    
Property, Plant and Equipment [Line Items]    
Total 7,502 6,746
Construction in progress    
Property, Plant and Equipment [Line Items]    
Total $ 176,541 $ 197,723
v3.24.3
VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Schedule of Equity Method Investments [Roll Forward]    
Beginning balance $ 243,811  
Ending balance 235,987  
Venture Capital Funds    
Schedule of Equity Method Investments [Roll Forward]    
Beginning balance 121,158 $ 129,012
Capital contributions 16,205 12,056
Distributions (20,324) (12,972)
Gains (losses) 8,439 (14,258)
Foreign currency translation 466 260
Ending balance 125,944 114,098
Strategic Investments    
Schedule of Equity Method Investments [Roll Forward]    
Beginning balance 122,653 182,590
Purchase of investments 2,140 21,489
Distributions 0 (7,493)
Gains (losses) (9,430) 5,012
Reduction for acquisition of entity 0 (12,635)
Other investment activity (5,540) 0
Foreign currency translation 220 (1,214)
Ending balance $ 110,043 $ 187,749
v3.24.3
FAIR VALUE - Schedule of Fair Value of Assets and Liabilities (Details) - Fair Value, Recurring - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Current assets measured at fair value:    
Cash equivalents $ 30 $ 29
Interest rate swap 278  
Other assets:    
Life insurance policies 47,734 40,912
Interest rate swap   966
Total assets measured at fair value 48,042 41,907
Other long-term liabilities measured at fair value:    
Contingent consideration 39,893 33,265
Total liabilities measured at fair value 39,893 33,265
Level 1    
Current assets measured at fair value:    
Cash equivalents 0 0
Interest rate swap 0  
Other assets:    
Life insurance policies 0 0
Interest rate swap   0
Total assets measured at fair value 0 0
Other long-term liabilities measured at fair value:    
Contingent consideration 0 0
Total liabilities measured at fair value 0 0
Level 2    
Current assets measured at fair value:    
Cash equivalents 30 29
Interest rate swap 278  
Other assets:    
Life insurance policies 47,734 40,912
Interest rate swap   966
Total assets measured at fair value 48,042 41,907
Other long-term liabilities measured at fair value:    
Contingent consideration 0 0
Total liabilities measured at fair value 0 0
Level 3    
Current assets measured at fair value:    
Cash equivalents 0 0
Interest rate swap 0  
Other assets:    
Life insurance policies 0 0
Interest rate swap   0
Total assets measured at fair value 0 0
Other long-term liabilities measured at fair value:    
Contingent consideration 39,893 33,265
Total liabilities measured at fair value $ 39,893 $ 33,265
v3.24.3
FAIR VALUE - Schedule of Contingent Consideration (Details) - Level 3 - Contingent Consideration - USD ($)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 33,265 $ 13,431
Payments 0 (15,130)
Adjustment of previously recorded contingent liability 6,628 1,810
Foreign currency translation 0 (111)
Ending balance $ 39,893 $ 0
v3.24.3
FAIR VALUE - Narrative (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Sep. 30, 2023
Dec. 31, 2022
Interest Rate Swap | Designated as Hedging Instrument        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notional amount $ 500,000      
Derivative, fixed interest rate (as percent) 4.65%      
Level 3 | Contingent Consideration        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value of contingent consideration $ 39,893 $ 33,265 $ 0 $ 13,431
Weighted average probability percentage of achieving maximum target 73.00%      
Level 3 | Contingent Consideration | Average Volatility        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Contingent consideration, measurement input 0.05      
Level 3 | Contingent Consideration | Weighted Average Cost of Capital        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Contingent consideration, measurement input 0.08      
Maximum | Level 3 | Contingent Consideration        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value of contingent consideration $ 55,000      
v3.24.3
FAIR VALUE - Schedule of Fair Value of Debt (Details) - Senior Notes - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
4.25% Senior Notes due 2028    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 4.25% 4.25%
4.25% Senior Notes due 2028 | Book Value    
Debt Instrument [Line Items]    
Debt instrument value $ 500,000 $ 500,000
4.25% Senior Notes due 2028 | Fair Value    
Debt Instrument [Line Items]    
Debt instrument value $ 484,350 $ 478,100
3.75% Senior Notes due 2029    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 3.75% 3.75%
3.75% Senior Notes due 2029 | Book Value    
Debt Instrument [Line Items]    
Debt instrument value $ 500,000 $ 500,000
3.75% Senior Notes due 2029 | Fair Value    
Debt Instrument [Line Items]    
Debt instrument value $ 470,100 $ 458,100
4.00% Senior Notes due 2031    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 4.00% 4.00%
4.00% Senior Notes due 2031 | Book Value    
Debt Instrument [Line Items]    
Debt instrument value $ 500,000 $ 500,000
4.00% Senior Notes due 2031 | Fair Value    
Debt Instrument [Line Items]    
Debt instrument value $ 459,350 $ 449,350
v3.24.3
GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Goodwill [Line Items]        
Amortization of intangible assets $ 32,403,000 $ 34,229,000 $ 97,248,000 $ 103,419,000
Discover Services Reporting Unit        
Goodwill [Line Items]        
Percentage of fair value in excess of carrying amount 22.00%   22.00%  
Goodwill impairment $ 0      
v3.24.3
GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details)
$ in Thousands
 9 Months Ended
Sep. 28, 2024
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 3,095,045
Acquisitions 17,675
Foreign exchange 11,872
Ending balance 3,124,592
RMS  
Goodwill [Roll Forward]  
Beginning balance 497,474
Acquisitions 0
Foreign exchange 203
Ending balance 497,677
DSA  
Goodwill [Roll Forward]  
Beginning balance 1,662,434
Acquisitions 17,675
Foreign exchange (4,480)
Ending balance 1,675,629
Goodwill, impaired, accumulated impairment loss 1,000,000
Manufacturing  
Goodwill [Roll Forward]  
Beginning balance 935,137
Acquisitions 0
Foreign exchange 16,149
Ending balance $ 951,286
v3.24.3
GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Other intangible assets    
Gross $ 1,743,649 $ 1,729,559
Accumulated Amortization (965,188) (865,508)
Net 778,461 864,051
Client relationships    
Other intangible assets    
Gross 1,541,032 1,528,780
Accumulated Amortization (808,507) (721,322)
Net 732,525 807,458
Technology    
Other intangible assets    
Gross 144,241 142,190
Accumulated Amortization (118,793) (111,764)
Net 25,448 30,426
Trademarks and trade names    
Other intangible assets    
Gross 12,091 11,878
Accumulated Amortization (5,505) (4,568)
Net 6,586 7,310
Backlog    
Other intangible assets    
Gross 3,100 3,100
Accumulated Amortization (3,100) (2,177)
Net 0 923
Other    
Other intangible assets    
Gross 43,185 43,611
Accumulated Amortization (29,283) (25,677)
Net $ 13,902 $ 17,934
v3.24.3
DEBT AND OTHER FINANCING ARRANGEMENTS - Narrative (Details) - USD ($)
$ in Millions
Sep. 28, 2024
Dec. 30, 2023
Debt Instrument [Line Items]    
Weighted average interest rate (as percent) 4.59% 4.93%
Letter of Credit    
Debt Instrument [Line Items]    
Letters of credit outstanding $ 21.2 $ 21.6
v3.24.3
DEBT AND OTHER FINANCING ARRANGEMENTS - Schedule of Long-Term Debt (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Debt Instrument [Line Items]    
Finance leases $ 31,116 $ 28,550
Total debt and finance leases 2,341,528 2,667,368
Current portion of long-term debt 157 3,172
Current portion of finance leases 3,043 2,398
Current portion of long-term debt and finance leases 3,200 5,570
Long-term debt and finance leases 2,338,328 2,661,798
Debt discount and debt issuance costs (11,675) (14,651)
Long-term debt, net and finance leases 2,326,653 2,647,147
Revolving facility    
Debt Instrument [Line Items]    
Long-term debt, gross $ 794,290 $ 1,129,243
Senior Notes | 4.25% Senior Notes due 2028    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 4.25% 4.25%
Long-term debt, gross $ 500,000 $ 500,000
Senior Notes | 3.75% Senior Notes due 2029    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 3.75% 3.75%
Long-term debt, gross $ 500,000 $ 500,000
Senior Notes | 4.00% Senior Notes due 2031    
Debt Instrument [Line Items]    
Stated interest rate (as percent) 4.00% 4.00%
Long-term debt, gross $ 500,000 $ 500,000
Other debt    
Debt Instrument [Line Items]    
Long-term debt, gross $ 16,122 $ 9,575
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS - Treasury Shares - Narrative (Details) - USD ($)
shares in Millions
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 28, 2024
Sep. 30, 2023
Aug. 02, 2024
Aug. 01, 2024
Treasury Shares and Accelerated Stock Repurchase Program (ASR) [Line Items]          
Shares acquired to satisfy minimum individual statutory tax withholdings for vesting of equity instruments (in shares)   0.1 0.1    
Shares acquired to satisfy minimum individual statutory tax withholdings for vesting of equity instruments   $ 18,400,000 $ 24,000,000.0    
Prior Stock Repurchase Authorization          
Treasury Shares and Accelerated Stock Repurchase Program (ASR) [Line Items]          
Aggregate authorization of share repurchase program (in shares)         $ 1,300,000,000
Remaining authorized repurchase amount         $ 129,100,000
New Stock Repurchase Authorization          
Treasury Shares and Accelerated Stock Repurchase Program (ASR) [Line Items]          
Aggregate authorization of share repurchase program (in shares)       $ 1,000,000,000.0  
Remaining authorized repurchase amount $ 899,300,000 $ 899,300,000      
Shares repurchased during period (in shares) 0.5 0.5      
Stock repurchased during period, value $ 100,700,000 $ 100,700,000      
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS - Schedule of Earnings Per Share (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Numerator:        
Net income $ 70,295 $ 88,021 $ 239,038 $ 291,418
Less: Net income attributable to noncontrolling interests 638 632 2,340 3,878
Net income attributable to Charles River Laboratories International Inc. 69,657 87,389 236,698 287,540
Calculation of net income per share attributable to Charles River Laboratories International Inc. common shareholders        
Net income attributable to Charles River Laboratories International Inc. 69,657 87,389 236,698 287,540
Less: Adjustment of redeemable noncontrolling interest 379 0 1,081 0
Less: Incremental dividends attributed to noncontrolling interest holders 599 0 9,621 0
Net income available to Charles River Laboratories International Inc. common shareholders $ 68,679 $ 87,389 $ 225,996 $ 287,540
Denominator:        
Weighted-average shares outstanding - Basic (in shares) 51,394 51,283 51,461 51,199
Effect of dilutive securities:        
Stock options, restricted stock units and performance share units (in shares) 189 324 252 294
Weighted-average shares outstanding - Diluted (in shares) 51,583 51,607 51,713 51,493
Anti-dilutive common stock equivalents (in shares) 746 588 505 514
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]        
Beginning balance $ 3,727,018 $ 3,257,555 $ 3,602,276 $ 2,981,078
Income tax expense (benefit) 8,348 (3,292) 848 (3,393)
Ending balance 3,787,127 3,310,761 3,787,127 3,310,761
Foreign Currency Translation Adjustment and Other        
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]        
Beginning balance     (149,999)  
Other comprehensive income (loss) before reclassifications     4,054  
Net current period other comprehensive income (loss)     4,054  
Income tax expense (benefit)     757  
Ending balance (146,702)   (146,702)  
Pension and Other Post-Retirement Benefit Plans        
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]        
Beginning balance     (47,167)  
Other comprehensive income (loss) before reclassifications     1,038  
Net current period other comprehensive income (loss)     1,038  
Income tax expense (benefit)     256  
Ending balance (46,385)   (46,385)  
Net Unrealized (Loss) Gain on Cash Flow Hedge        
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]        
Beginning balance     739  
Other comprehensive income (loss) before reclassifications     (688)  
Net current period other comprehensive income (loss)     (688)  
Income tax expense (benefit)     (165)  
Ending balance 216   216  
Total        
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]        
Beginning balance (269,709) (208,269) (196,427) (262,057)
Other comprehensive income (loss) before reclassifications     4,404  
Net current period other comprehensive income (loss)     4,404  
Income tax expense (benefit)     848  
Ending balance $ (192,871) $ (268,066) $ (192,871) $ (268,066)
v3.24.3
EQUITY AND NONCONTROLLING INTERESTS - Nonredeemable and Redeemable Noncontrolling Interest - Narrative (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2022
Sep. 28, 2024
Jun. 29, 2024
Mar. 30, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Dec. 30, 2023
Nov. 30, 2023
Dec. 31, 2022
Dec. 28, 2019
Schedule of Investments [Line Items]                      
Incremental dividends attributed to noncontrolling interest holders   $ 599     $ 0 $ 9,621 $ 0        
Adjustment of redeemable noncontrolling interests to redemption value   5,705 $ 496 $ 4,807              
Additional Paid-In Capital                      
Schedule of Investments [Line Items]                      
Adjustment of redeemable noncontrolling interests to redemption value   5,326 195 4,406              
Retained Earnings                      
Schedule of Investments [Line Items]                      
Adjustment of redeemable noncontrolling interests to redemption value   $ 379 $ 301 401              
Noveprim Group                      
Schedule of Investments [Line Items]                      
Percentage of voting interests acquired                 41.00%    
Noveprim Group                      
Schedule of Investments [Line Items]                      
Equity interest (as percent)   90.00%       90.00%          
Noncontrolling interest ownership percentage   10.00%       10.00%          
Contractually defined redemption value   $ 40,600       $ 40,600          
Dividend fair value   8,000       8,000          
Incremental dividends attributed to noncontrolling interest holders           9,600          
Noveprim Group | Additional Paid-In Capital                      
Schedule of Investments [Line Items]                      
Adjustment of redeemable noncontrolling interests to redemption value           7,200          
Noveprim Group | Retained Earnings                      
Schedule of Investments [Line Items]                      
Adjustment of redeemable noncontrolling interests to redemption value           1,100          
Noveprim Group | Minimum                      
Schedule of Investments [Line Items]                      
Contractually defined redemption value   47,000       47,000          
Noveprim Group | Maximum                      
Schedule of Investments [Line Items]                      
Contractually defined redemption value   $ 54,000       $ 54,000          
Supplier                      
Schedule of Investments [Line Items]                      
Equity interest (as percent)                     80.00%
Noncontrolling interest ownership percentage 10.00%                   20.00%
Contractually defined redemption value       12,000              
Additional ownership percentage acquired by parent 10.00%   10.00%                
Purchase of additional equity interest $ 15,000   $ 12,000                
Supplier | Additional Paid-In Capital                      
Schedule of Investments [Line Items]                      
Adjustment of redeemable noncontrolling interests to redemption value       $ 2,800              
Vital River                      
Schedule of Investments [Line Items]                      
Equity interest (as percent)                   92.00%  
Noncontrolling interest ownership percentage               8.00%      
Additional ownership percentage acquired by parent               8.00%      
Payments for repurchase of redeemable noncontrolling interest               $ 4,800      
Redeemable noncontrolling interest, purchase price payable               $ 24,400      
v3.24.3
INCOME TAXES - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Income Tax Disclosure [Abstract]        
Effective tax rate (as percent) 23.00% 22.00% 22.90% 21.80%
Increase in unrecognized tax benefits $ 1.2      
Unrecognized tax benefits 25.2   $ 25.2  
Increase in unrecognized tax benefits that would impact effective tax rate 1.0      
Unrecognized tax benefits that would impact effective tax rate 22.1   22.1  
Accrued interest on unrecognized tax benefits 1.8   1.8  
Decrease in unrecognized tax benefits that are reasonably possibly over the next twelve-month period $ 5.1   $ 5.1  
v3.24.3
INCOME TAXES - Schedule of Prepaid and Accrued Tax Positions (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Dec. 30, 2023
Income Tax Disclosure [Abstract]    
Prepaid income tax $ 82,153 $ 59,715
Accrued income taxes $ 39,673 $ 38,819
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Dec. 30, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]            
Restructuring charges $ 30,646 $ 15,160 $ 65,600 $ 21,345    
Restructuring and related cost, cost incurred 95,000   95,000      
Restructuring reserve 28,657 5,018 28,657 5,018 $ 5,050 $ 1,300
Severance and Transition Costs            
Segment Reporting Information [Line Items]            
Restructuring charges     41,470 7,008    
Restructuring reserve 27,782 $ 4,143 27,782 $ 4,143 4,175 $ 356
Accrued Compensation | Severance and Transition Costs            
Segment Reporting Information [Line Items]            
Restructuring reserve $ 28,700   $ 28,700   $ 5,100  
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS - Schedule of Restructuring Costs by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Segment Reporting Information [Line Items]        
Total $ 30,646 $ 15,160 $ 65,600 $ 21,345
Operating Segments | RMS        
Segment Reporting Information [Line Items]        
Total 4,965 965 22,580 965
Operating Segments | DSA        
Segment Reporting Information [Line Items]        
Total 13,866 13,220 24,123 13,218
Operating Segments | Manufacturing        
Segment Reporting Information [Line Items]        
Total 5,372 975 9,660 7,162
Unallocated corporate        
Segment Reporting Information [Line Items]        
Total $ 6,443 $ 0 $ 9,237 $ 0
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS - Schedule of Restructuring Costs for Productivity Improvement (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]        
Severance and Transition Costs $ 26,536 $ 3,577 $ 41,470 $ 7,008
Asset Impairments and Other Costs 4,110 11,583 24,130 14,337
Total 30,646 15,160 65,600 21,345
Cost of services provided (excluding amortization of intangible assets)        
Restructuring Cost and Reserve [Line Items]        
Severance and Transition Costs 12,830 2,160 20,510 5,088
Asset Impairments and Other Costs 3,482 11,418 6,516 11,418
Total 16,312 13,578 27,026 16,506
Cost of products sold (excluding amortization of intangible assets)        
Restructuring Cost and Reserve [Line Items]        
Severance and Transition Costs 1,783 480 2,530 534
Asset Impairments and Other Costs 650 174 11,134 2,920
Total 2,433 654 13,664 3,454
Selling, general and administrative        
Restructuring Cost and Reserve [Line Items]        
Severance and Transition Costs 11,923 937 18,430 1,386
Asset Impairments and Other Costs (22) (9) 6,480 (1)
Total $ 11,901 $ 928 $ 24,910 $ 1,385
v3.24.3
RESTRUCTURING AND ASSET IMPAIRMENTS - Schedule of Rollforward of Severance and Transition and Lease Obligation Liabilities (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
Restructuring Reserve [Roll Forward]        
Beginning balance     $ 5,050 $ 1,300
Expense $ 30,646 $ 15,160 65,600 21,345
Payments / utilization     (24,682) (3,889)
Other non-cash adjustments     (17,368) (13,696)
Foreign currency adjustments     57 (42)
Ending Balance 28,657 5,018 28,657 5,018
Severance and Transition Costs        
Restructuring Reserve [Roll Forward]        
Beginning balance     4,175 356
Expense     41,470 7,008
Payments / utilization     (17,920) (3,179)
Other non-cash adjustments     0 0
Foreign currency adjustments     57 (42)
Ending Balance 27,782 4,143 27,782 4,143
Asset Impairments        
Restructuring Reserve [Roll Forward]        
Beginning balance     0 0
Expense     15,999 13,269
Payments / utilization     0 0
Other non-cash adjustments     (15,999) (13,269)
Foreign currency adjustments     0 0
Ending Balance 0 0 0 0
Other Costs        
Restructuring Reserve [Roll Forward]        
Beginning balance     875 944
Expense     8,131 1,068
Payments / utilization     (6,762) (710)
Other non-cash adjustments     (1,369) (427)
Foreign currency adjustments     0 0
Ending Balance $ 875 $ 875 $ 875 $ 875
v3.24.3
COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
Sep. 28, 2024
USD ($)
US Fish and Wildlife Service | Pending Litigation  
Loss Contingencies [Line Items]  
Inventory, non-human primates $ 27
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