FORM 10-Q | |||||
| (Mark One) | |||||
| ☑ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
OR | |||||
| ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
FOR THE TRANSITION PERIOD FROM TO | |||||

Delaware | 06-1397316 | |||||||||||||
(State or Other Jurisdiction of Incorporation or Organization) | (I.R.S. Employer Identification No.) | |||||||||||||
| Securities registered pursuant to Section 12(b) of the Act: | ||||||||
| Title of each class | Ticker symbol(s) | Name of each exchange on which registered | ||||||
| Common stock, $0.01 par value | CRL | New York Stock Exchange | ||||||
Large accelerated filer | ☑ | Accelerated filer | ☐ | ||||||||
Non-accelerated filer | ☐ | Smaller reporting company | ☐ | ||||||||
Emerging growth company | ☐ | ||||||||||
| Item | Page | |||||||
| PART I - FINANCIAL INFORMATION | ||||||||
| 1 | Financial Statements | |||||||
Condensed Consolidated Statements of Income (Loss) (Unaudited) for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Balance Sheets (Unaudited) as of March 28, 2026 and December 27, 2025 | ||||||||
Condensed Consolidated Statements of Cash Flows (Unaudited) for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Statements of Changes in Equity and Redeemable Noncontrolling Interests (Unaudited) for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Notes to Unaudited Condensed Consolidated Financial Statements | ||||||||
| 2 | Management’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 | ||||||||
| 3 | Quantitative and Qualitative Disclosure About Market Risk | |||||||
| 4 | Controls and Procedures | |||||||
| PART II - OTHER INFORMATION | ||||||||
| 1 | Legal Proceedings | |||||||
| 1A | Risk Factors | |||||||
| 2 | Unregistered Sales of Equity Securities and Use of Proceeds | |||||||
| 5 | Other Information | |||||||
| 6 | Exhibits | |||||||
| Signatures | ||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Service revenue | $ | 798,152 | $ | 797,923 | |||||||
| Product revenue | 197,678 | 186,245 | |||||||||
| Total revenue | 995,830 | 984,168 | |||||||||
| Costs and expenses | |||||||||||
| Cost of services provided (excluding amortization of intangible assets) | 608,907 | 577,428 | |||||||||
| Cost of products sold (excluding amortization of intangible assets) | 92,259 | 89,008 | |||||||||
| Selling, general and administrative | 159,422 | 177,799 | |||||||||
| Amortization of intangible assets | 15,345 | 65,264 | |||||||||
| Operating income | 119,897 | 74,669 | |||||||||
| Other income (expense) | |||||||||||
| Interest income | 1,033 | 1,404 | |||||||||
| Interest expense | (26,742) | (27,884) | |||||||||
| Other (expense) income, net | (124,130) | (12,211) | |||||||||
| Income (loss) before income taxes | (29,942) | 35,978 | |||||||||
| Provision (benefit) for income taxes | (15,140) | 10,100 | |||||||||
| Net income (loss) | (14,802) | 25,878 | |||||||||
| Less: Net income attributable to noncontrolling interests | 41 | 409 | |||||||||
| Net income (loss) attributable to common shareholders | $ | (14,843) | $ | 25,469 | |||||||
| Earnings (loss) per common share | |||||||||||
| Basic | $ | (0.30) | $ | 0.50 | |||||||
| Diluted | $ | (0.30) | $ | 0.50 | |||||||
| Weighted-average number of common shares outstanding | |||||||||||
| Basic | 48,951 | 50,677 | |||||||||
| Diluted | 48,951 | 50,853 | |||||||||
See Notes to Unaudited Condensed Consolidated Financial Statements. | |||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Net income (loss) | $ | (14,802) | $ | 25,878 | |||||||
Other comprehensive income (loss): | |||||||||||
| Foreign currency translation adjustment | (25,180) | 60,381 | |||||||||
| Amortization of net loss, settlement losses, and prior service benefit included in total cost for pension and other post-retirement benefit plans | 894 | 408 | |||||||||
Other comprehensive income (loss), before income taxes | (24,286) | 60,789 | |||||||||
Less: Income tax expense (benefit) related to items of other comprehensive income | (4,593) | 9,548 | |||||||||
| Comprehensive income (loss), net of income taxes | (34,495) | 77,119 | |||||||||
| Less: Comprehensive loss related to noncontrolling interests, net of income taxes | (393) | (449) | |||||||||
| Comprehensive income (loss) attributable to Charles River Laboratories International, Inc., net of income taxes | $ | (34,102) | $ | 77,568 | |||||||
See Notes to Unaudited Condensed Consolidated Financial Statements. | |||||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| Assets | |||||||||||
Current assets: | |||||||||||
Cash and cash equivalents | $ | 191,830 | $ | 213,770 | |||||||
Trade receivables and contract assets, net of allowances for credit losses of $8,114 and $10,463, respectively | 700,251 | 708,856 | |||||||||
Inventories | 359,723 | 299,103 | |||||||||
Prepaid assets | 102,146 | 96,108 | |||||||||
Other current assets | 134,856 | 129,212 | |||||||||
Total current assets | 1,488,806 | 1,447,049 | |||||||||
Property, plant and equipment, net | 1,510,154 | 1,655,219 | |||||||||
| Venture capital and strategic equity investments | 209,723 | 206,972 | |||||||||
| Operating lease right-of-use assets, net | 317,840 | 361,415 | |||||||||
Goodwill | 3,040,032 | 2,764,253 | |||||||||
Intangible assets, net | 248,989 | 339,995 | |||||||||
Deferred tax assets | 88,599 | 67,334 | |||||||||
Other assets | 826,165 | 293,185 | |||||||||
Total assets | $ | 7,730,308 | $ | 7,135,422 | |||||||
| Liabilities, Redeemable Noncontrolling Interests and Equity | |||||||||||
Current liabilities: | |||||||||||
Accounts payable | $ | 133,952 | $ | 148,800 | |||||||
Accrued compensation | 166,888 | 268,854 | |||||||||
Deferred revenue | 194,330 | 210,418 | |||||||||
Accrued liabilities | 372,397 | 270,085 | |||||||||
Other current liabilities | 226,137 | 222,158 | |||||||||
Total current liabilities | 1,093,704 | 1,120,315 | |||||||||
Long-term debt, net and finance leases | 2,663,133 | 2,136,360 | |||||||||
| Operating lease right-of-use liabilities | 393,113 | 434,048 | |||||||||
Deferred tax liabilities | 81,399 | 95,203 | |||||||||
Other long-term liabilities | 510,646 | 138,302 | |||||||||
Total liabilities | 4,741,995 | 3,924,228 | |||||||||
Commitments and contingencies (Notes 2, 12, 14, and 16) | |||||||||||
Redeemable noncontrolling interests | 41,900 | 41,263 | |||||||||
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; 49,342 shares issued and 48,167 shares outstanding as of March 28, 2026, and 49,217 shares issued and outstanding as of December 27, 2025 | 493 | 492 | |||||||||
Additional paid-in capital | 1,967,356 | 1,947,301 | |||||||||
Retained earnings | 1,373,777 | 1,388,620 | |||||||||
Treasury stock, at cost, 1,175 and zero shares, as of March 28, 2026 and December 27, 2025, respectively | (209,990) | — | |||||||||
Accumulated other comprehensive loss | (191,042) | (171,783) | |||||||||
Total Charles River Laboratories International, Inc. equity | 2,940,594 | 3,164,630 | |||||||||
Nonredeemable noncontrolling interest | 5,819 | 5,301 | |||||||||
Total equity | 2,946,413 | 3,169,931 | |||||||||
Total liabilities, redeemable noncontrolling interests and equity | $ | 7,730,308 | $ | 7,135,422 | |||||||
See Notes to Unaudited Condensed Consolidated Financial Statements. | |||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Cash flows relating to operating activities | |||||||||||
| Net income (loss) | $ | (14,802) | $ | 25,878 | |||||||
| Adjustments to reconcile net income (loss) to net cash provided by operating activities: | |||||||||||
| Depreciation and amortization | 67,151 | 120,364 | |||||||||
| Long-lived asset impairments | 15,863 | 10,576 | |||||||||
| Stock-based compensation | 22,381 | 13,135 | |||||||||
| Deferred income taxes | (29,417) | (19,041) | |||||||||
| Write down of inventories | 1,489 | 6,762 | |||||||||
| Losses and impairments on venture capital and strategic equity investments, net | 1,138 | 10,374 | |||||||||
| Provision for credit losses | 47 | 2,007 | |||||||||
| (Gain) loss on divestitures, net | 117,981 | (3,376) | |||||||||
| Other, net | (34,675) | 3,731 | |||||||||
| Changes in assets and liabilities: | |||||||||||
| Trade receivables and contract assets, net | (65,319) | (29,353) | |||||||||
| Inventories | 26,004 | (21,882) | |||||||||
| Accounts payable | 20,455 | 25,251 | |||||||||
| Accrued compensation | (83,758) | 15,263 | |||||||||
| Deferred revenue | 5,197 | (1,213) | |||||||||
| Customer contract deposits | (135) | 9,167 | |||||||||
| Other assets and liabilities, net | (8,523) | 4,054 | |||||||||
| Net cash provided by operating activities | 41,077 | 171,697 | |||||||||
| Cash flows relating to investing activities | |||||||||||
| Acquisition of businesses and assets, net of cash acquired | (405,006) | — | |||||||||
| Capital expenditures | (55,908) | (59,324) | |||||||||
| Purchases of investments and contributions to venture capital investments | (8,492) | (5,302) | |||||||||
| Proceeds from sale of investments | 2,922 | 1,602 | |||||||||
| Proceeds from sale of businesses and assets, net | 60,096 | 17,441 | |||||||||
| Other, net | (1,457) | 104 | |||||||||
| Net cash used in investing activities | (407,845) | (45,479) | |||||||||
| Cash flows relating to financing activities | |||||||||||
| Proceeds from long-term debt and revolving credit facility | 912,462 | 416,341 | |||||||||
| Payments on long-term debt, revolving credit facility, and finance lease obligations | (355,676) | (149,394) | |||||||||
| Proceeds from exercises of stock options | 1,223 | — | |||||||||
| Purchase of treasury stock | (208,285) | (353,132) | |||||||||
| Purchase of remaining equity interest of other redeemable noncontrolling interests | — | (19,140) | |||||||||
| Other, net | (2,000) | — | |||||||||
| Net cash provided by (used in) financing activities | 347,724 | (105,325) | |||||||||
| Effect of exchange rate changes on cash, cash equivalents, and restricted cash | 1,248 | 5,265 | |||||||||
| Net change in cash, cash equivalents, and restricted cash | (17,796) | 26,158 | |||||||||
| Cash, cash equivalents, and restricted cash, beginning of period | 215,997 | 205,570 | |||||||||
| Cash, cash equivalents, and restricted cash, end of period | $ | 198,201 | $ | 231,728 | |||||||
See Notes to Unaudited Condensed Consolidated Financial Statements. | |||||||||||
Redeemable Noncontrolling Interests | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Total Charles River Laboratories, Inc. Equity | Noncontrolling Interest | Total Equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Shares | Amount | Shares | Amount | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| December 27, 2025 | $ | 41,263 | 49,217 | $ | 492 | $ | 1,947,301 | $ | 1,388,620 | $ | (171,783) | — | $ | — | $ | 3,164,630 | $ | 5,301 | $ | 3,169,931 | ||||||||||||||||||||||||||||||||||||||||||
Net income (loss) | (477) | — | — | — | (14,843) | — | — | — | (14,843) | 518 | (14,325) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Other comprehensive income (loss), net of tax | (434) | — | — | — | — | (19,259) | — | — | (19,259) | — | (19,259) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends declared to noncontrolling interests | (2,000) | — | — | — | — | — | — | — | — | — | — | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Adjustment of redeemable noncontrolling interests to redemption value | 3,548 | — | — | (3,548) | — | — | — | — | (3,548) | — | (3,548) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of stock under employee compensation plans | — | 125 | 1 | 1,222 | — | — | — | — | 1,223 | — | 1,223 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchase of treasury shares | — | — | — | — | — | — | 1,175 | (208,285) | (208,285) | — | (208,285) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Share repurchase excise tax | — | — | — | — | — | — | — | (1,705) | (1,705) | — | (1,705) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-based compensation | — | — | — | 22,381 | — | — | — | — | 22,381 | — | 22,381 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| March 28, 2026 | $ | 41,900 | 49,342 | $ | 493 | $ | 1,967,356 | $ | 1,373,777 | $ | (191,042) | 1,175 | $ | (209,990) | $ | 2,940,594 | $ | 5,819 | $ | 2,946,413 | ||||||||||||||||||||||||||||||||||||||||||
Redeemable Noncontrolling Interests | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Total Charles River Laboratories, Inc. Equity | Noncontrolling Interest | Total Equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Shares | Amount | Shares | Amount | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| December 28, 2024 | $ | 41,126 | 51,141 | $ | 511 | $ | 1,966,237 | $ | 1,812,100 | $ | (317,345) | — | $ | — | $ | 3,461,503 | $ | 5,449 | $ | 3,466,952 | ||||||||||||||||||||||||||||||||||||||||||
Net income | 75 | — | — | — | 25,469 | — | — | — | 25,469 | 334 | 25,803 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Other comprehensive income (loss), net of tax | (858) | — | — | — | — | 52,099 | — | — | 52,099 | — | 52,099 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Adjustment of redeemable noncontrolling interests to redemption value | 1,320 | — | — | (1,320) | — | — | — | — | (1,320) | — | (1,320) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of stock under employee compensation plans | — | 60 | 1 | — | — | — | — | — | 1 | — | 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchase of treasury shares | — | — | — | — | — | — | 2,086 | (353,132) | (353,132) | — | (353,132) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Share repurchase excise tax | — | — | — | — | — | — | — | (3,419) | (3,419) | — | (3,419) | |||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-based compensation | — | — | — | 13,135 | — | — | — | — | 13,135 | — | 13,135 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| March 29, 2025 | $ | 41,663 | 51,201 | $ | 512 | $ | 1,978,052 | $ | 1,837,569 | $ | (265,246) | 2,086 | $ | (356,551) | $ | 3,194,336 | $ | 5,783 | $ | 3,200,119 | ||||||||||||||||||||||||||||||||||||||||||
See Notes to Unaudited Condensed Consolidated Financial Statements. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Cambodian NHP Supplier(1) | |||||
| January 14, 2026 | |||||
| (in thousands) | |||||
| Inventories | $ | 108,106 | |||
| Property, plant and equipment | 9,858 | ||||
Goodwill (2) | 340,985 | ||||
Other long-term assets (3) | 283,048 | ||||
| Other current liabilities | (2,414) | ||||
Other long-term liabilities (4) | (232,324) | ||||
| Total purchase price allocation | $ | 507,259 | |||
(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 obligations. 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 this transaction is primarily attributable to synergies to be realized from acquiring an internal supplier servicing the DSA business and the assembled workforce. Goodwill of $108.7 million of the Cambodian NHP Supplier is deductible for tax purposes upon making the remaining deferred payments. | |||||
(3) Other long-term assets acquired include $283.0 million of biological assets, which will be amortized over an estimated year useful life. | |||||
(4) Other long-term liabilities include pre acquisition uncertain tax positions of the seller associated with the acquired assets. | |||||
| March 28, 2026 | |||||||||||
European Discovery Divestiture | CDMO and Cell Solutions Divestiture | ||||||||||
| Assets | |||||||||||
| Current assets | $ | 43,437 | $ | 61,611 | |||||||
| Property, plant, and equipment, net | 49,034 | — | |||||||||
| Operating lease right-of-use assets, net | 20,252 | — | |||||||||
| Goodwill | 46,653 | — | |||||||||
| Intangible assets, net | 52,849 | — | |||||||||
| Other assets | 1,800 | 12,626 | |||||||||
Assets held for sale (Other assets) | $ | 214,025 | $ | 74,237 | |||||||
| Liabilities | |||||||||||
| Current liabilities | 36,477 | 31,048 | |||||||||
| Operating lease right-of-use liabilities | 18,325 | 23,594 | |||||||||
| Long-term liabilities | 32,002 | 2,760 | |||||||||
Liabilities held for sale (Other long-term liabilities) | $ | 86,804 | $ | 57,402 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Timing of Revenue Recognition: | |||||||||||
| RMS | |||||||||||
| Services and products transferred over time | $ | 94,203 | $ | 97,004 | |||||||
| Services and products transferred at a point in time | 114,164 | 116,069 | |||||||||
| Total RMS revenue | 208,367 | 213,073 | |||||||||
| DSA | |||||||||||
| Services and products transferred over time | 596,233 | 591,520 | |||||||||
| Services and products transferred at a point in time | 690 | 1,089 | |||||||||
| Total DSA revenue | 596,923 | 592,609 | |||||||||
| Manufacturing | |||||||||||
| Services and products transferred over time | 90,893 | 91,467 | |||||||||
| Services and products transferred at a point in time | 99,647 | 87,019 | |||||||||
| Total Manufacturing revenue | 190,540 | 178,486 | |||||||||
| Total revenue | $ | 995,830 | $ | 984,168 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
Assets from contracts with customers | |||||||||||
| Client receivables | $ | 512,743 | $ | 518,728 | |||||||
| Unbilled revenue | 195,622 | 200,591 | |||||||||
| Total | 708,365 | 719,319 | |||||||||
| Less: Allowance for credit losses | (8,114) | (10,463) | |||||||||
| Trade receivables and contract assets, net | $ | 700,251 | $ | 708,856 | |||||||
| Liabilities from contracts with customers | |||||||||||
| Current deferred revenue | $ | 194,330 | $ | 210,418 | |||||||
| Long-term deferred revenue (included in Other long-term liabilities) | 47,063 | 45,632 | |||||||||
| Customer contract deposits (included in Other current liabilities) | 104,746 | 106,599 | |||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Beginning balance | $ | 10,463 | $ | 18,301 | |||||||
| Provisions | 47 | 2,007 | |||||||||
| Reductions | (2,396) | (4,050) | |||||||||
| Ending balance | $ | 8,114 | $ | 16,258 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| RMS | |||||||||||
| Revenue | $ | 208,367 | $ | 213,073 | |||||||
| Cost of revenue (excluding amortization of intangible assets) | 153,963 | 139,296 | |||||||||
| Selling, general and administrative | 1,595 | 24,206 | |||||||||
| Amortization of intangible assets | 3,036 | 5,966 | |||||||||
| Operating income | $ | 49,773 | $ | 43,605 | |||||||
| DSA | |||||||||||
| Revenue | $ | 596,923 | $ | 592,609 | |||||||
| Cost of revenue (excluding amortization of intangible assets) | 435,160 | 420,143 | |||||||||
| Selling, general and administrative | 47,524 | 65,293 | |||||||||
| Amortization of intangible assets | 10,364 | 13,221 | |||||||||
| Operating income | $ | 103,875 | $ | 93,952 | |||||||
| Manufacturing | |||||||||||
| Revenue | $ | 190,540 | $ | 178,486 | |||||||
| Cost of revenue (excluding amortization of intangible assets) | 112,043 | 106,997 | |||||||||
| Selling, general and administrative | 29,713 | 34,032 | |||||||||
| Amortization of intangible assets | 1,945 | 46,077 | |||||||||
| Operating income (loss) | $ | 46,839 | $ | (8,620) | |||||||
Unallocated Corporate (1) | |||||||||||
| Selling, general and administrative | $ | 80,590 | $ | 54,268 | |||||||
| Operating loss | $ | (80,590) | $ | (54,268) | |||||||
(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. | |||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Revenue | |||||||||||
| RMS | $ | 208,367 | $ | 213,073 | |||||||
| DSA | 596,923 | 592,609 | |||||||||
| Manufacturing | 190,540 | 178,486 | |||||||||
| Total revenue | $ | 995,830 | $ | 984,168 | |||||||
| Operating Income (Loss) | |||||||||||
| RMS | $ | 49,773 | $ | 43,605 | |||||||
| DSA | 103,875 | 93,952 | |||||||||
| Manufacturing | 46,839 | (8,620) | |||||||||
| Segment operating income | 200,487 | 128,937 | |||||||||
| Unallocated Corporate | (80,590) | (54,268) | |||||||||
| Operating income | $ | 119,897 | $ | 74,669 | |||||||
| Other income (expense): | |||||||||||
| Interest income | 1,033 | 1,404 | |||||||||
| Interest expense | (26,742) | (27,884) | |||||||||
Other (expense) income, net | (124,130) | (12,211) | |||||||||
| Income (loss) before income taxes | $ | (29,942) | $ | 35,978 | |||||||
| U.S. | Europe | Canada | Asia Pacific | Other | Consolidated | ||||||||||||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||||||||||||||
| Long-lived assets | |||||||||||||||||||||||||||||||||||
| March 28, 2026 | $ | 794,015 | $ | 450,338 | $ | 162,414 | $ | 60,906 | $ | 42,481 | $ | 1,510,154 | |||||||||||||||||||||||
| December 27, 2025 | 919,236 | 468,638 | 163,337 | 61,814 | 42,194 | 1,655,219 | |||||||||||||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Cash paid for income taxes | $ | 1,727 | $ | 17,324 | |||||||
| Cash paid for interest | 28,993 | 29,088 | |||||||||
| Non-cash investing activities: | |||||||||||
| Purchases of Property, plant and equipment included in Accounts payable and Accrued liabilities | $ | 20,796 | $ | 22,391 | |||||||
| Assets acquired under finance leases | 1,910 | — | |||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Supplemental cash flow information: | |||||||||||
| Cash and cash equivalents | $ | 191,830 | $ | 229,356 | |||||||
| Cash classified as held for sale in Other assets | 2,840 | — | |||||||||
| Restricted cash included in Other current assets | 1,929 | 904 | |||||||||
| Restricted cash included in Other assets | 1,602 | 1,468 | |||||||||
| Cash, cash equivalents, and restricted cash, end of period | $ | 198,201 | $ | 231,728 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Bearer biological assets | $ | 406,254 | $ | 135,647 | |||||||
| Assets held for sale | 288,262 | 21,223 | |||||||||
| Life insurance policies | 64,383 | 66,318 | |||||||||
| Restricted cash | 1,602 | 1,561 | |||||||||
| Long-term pension assets | 36,989 | 37,256 | |||||||||
| Other long-term assets | 28,675 | 31,180 | |||||||||
| Other assets | $ | 826,165 | $ | 293,185 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Long-term pension liability, accrued executive supplemental life insurance retirement plan and deferred compensation plan | $ | 66,302 | $ | 68,440 | |||||||
| Long term tax liability | 201,569 | 15,339 | |||||||||
| Liabilities held for sale | 144,206 | — | |||||||||
| Deferred revenue | 47,063 | 45,632 | |||||||||
| Other | 51,506 | 8,891 | |||||||||
| Other long-term liabilities | $ | 510,646 | $ | 138,302 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Raw materials and supplies | $ | 30,937 | $ | 40,959 | |||||||
| Work in process | 53,335 | 88,743 | |||||||||
| Finished products | 275,451 | 169,401 | |||||||||
| Inventories | $ | 359,723 | $ | 299,103 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Land | $ | 73,192 | $ | 72,022 | |||||||
Buildings (1) | 1,074,802 | 1,097,572 | |||||||||
Machinery and equipment (1) | 973,729 | 1,093,556 | |||||||||
| Leasehold improvements | 341,013 | 438,230 | |||||||||
| Furniture and fixtures | 23,309 | 27,873 | |||||||||
Computer hardware and software (1) | 281,770 | 284,913 | |||||||||
Vehicles (1) | 6,543 | 7,152 | |||||||||
| Construction in progress | 167,348 | 171,604 | |||||||||
| Total | 2,941,706 | 3,192,922 | |||||||||
| Less: Accumulated depreciation | (1,431,552) | (1,537,703) | |||||||||
| Property, plant and equipment, net | $ | 1,510,154 | $ | 1,655,219 | |||||||
(1) These balances include assets under finance leases. | |||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Beginning balance | $ | 125,696 | $ | 116,561 | |||||||
| Capital contributions | 6,402 | 5,216 | |||||||||
| Distributions | (2,988) | (2,653) | |||||||||
Gains (losses) and impairments | 481 | (8,634) | |||||||||
| Foreign currency translation | (172) | 551 | |||||||||
| Ending balance | $ | 129,419 | $ | 111,041 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Beginning balance | $ | 81,276 | $ | 101,790 | |||||||
| Purchase of investments | 2,000 | 2,241 | |||||||||
| Distributions | (1,059) | — | |||||||||
Gains (losses) and impairments | (1,619) | (1,740) | |||||||||
| Foreign currency translation | (294) | 694 | |||||||||
| Ending balance | $ | 80,304 | $ | 102,985 | |||||||
| March 28, 2026 | |||||||||||||||||||||||
| Level 1 | Level 2 | Level 3 | Total | ||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||
Other assets measured at fair value: | |||||||||||||||||||||||
| Life insurance policies | $ | — | $ | 56,482 | $ | — | $ | 56,482 | |||||||||||||||
| Total assets measured at fair value | $ | — | $ | 56,482 | $ | — | $ | 56,482 | |||||||||||||||
| Accrued liabilities measured at fair value: | |||||||||||||||||||||||
| Contingent consideration | $ | — | $ | — | $ | 30,000 | $ | 30,000 | |||||||||||||||
| Total liabilities measured at fair value | $ | — | $ | — | $ | 30,000 | $ | 30,000 | |||||||||||||||
| December 27, 2025 | |||||||||||||||||||||||
| Level 1 | Level 2 | Level 3 | Total | ||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||
| Other assets measured at fair value: | |||||||||||||||||||||||
| Life insurance policies | $ | — | $ | 58,427 | $ | — | $ | 58,427 | |||||||||||||||
| Total assets measured at fair value | $ | — | $ | 58,427 | $ | — | $ | 58,427 | |||||||||||||||
| Accrued liabilities measured at fair value: | |||||||||||||||||||||||
| Contingent consideration | $ | — | $ | — | $ | 30,000 | $ | 30,000 | |||||||||||||||
| Total liabilities measured at fair value | $ | — | $ | — | $ | 30,000 | $ | 30,000 | |||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Beginning balance | $ | 30,000 | $ | 49,311 | |||||||
| Adjustment of previously recorded contingent liability | — | 909 | |||||||||
| Ending balance | $ | 30,000 | $ | 50,220 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||||||||||||||
| Book Value | Fair Value | Book Value | Fair Value | ||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||
4.25% Senior Notes due 2028 | $ | 500,000 | $ | 483,550 | $ | 500,000 | $ | 493,800 | |||||||||||||||
3.75% Senior Notes due 2029 | 500,000 | 470,600 | 500,000 | 483,550 | |||||||||||||||||||
4.00% Senior Notes due 2031 | 500,000 | 462,500 | 500,000 | 474,050 | |||||||||||||||||||
| RMS | DSA (1) | Manufacturing (2) | Total | ||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||
| December 27, 2025 | $ | 510,844 | $ | 1,678,518 | $ | 574,891 | $ | 2,764,253 | |||||||||||||||
| Acquisitions | — | 340,985 | — | 340,985 | |||||||||||||||||||
Divestitures (3) | — | (46,653) | — | (46,653) | |||||||||||||||||||
| Foreign exchange | 257 | (14,376) | (4,434) | (18,553) | |||||||||||||||||||
| March 28, 2026 | $ | 511,101 | $ | 1,958,474 | $ | 570,457 | $ | 3,040,032 | |||||||||||||||
(1) DSA includes accumulated impairment losses of $1 billion, which were recognized in fiscal years 2008 and 2010. | |||||||||||||||||||||||
(2) Manufacturing includes an accumulated impairment losses of $380 million, which was recognized in fiscal years 2024 and 2025. | |||||||||||||||||||||||
(3) DSA divestiture balance represents balances transferred to assets held for sale in connection with the European Discovery Divestiture. | |||||||||||||||||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||||||||||||||||||||||||||
| Gross | Accumulated Amortization | Net | Gross | Accumulated Amortization | Net | ||||||||||||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||||||||||||||
| Client relationships | $ | 896,978 | $ | (668,985) | $ | 227,993 | $ | 1,325,779 | $ | (1,016,198) | $ | 309,581 | |||||||||||||||||||||||
| Technology | 116,729 | (106,606) | 10,123 | 142,084 | (124,172) | 17,912 | |||||||||||||||||||||||||||||
| Trademarks and trade names | 4,724 | (3,288) | 1,436 | 8,882 | (6,869) | 2,013 | |||||||||||||||||||||||||||||
| Other | 18,398 | (8,961) | 9,437 | 21,052 | (10,563) | 10,489 | |||||||||||||||||||||||||||||
| Intangible assets | $ | 1,036,829 | $ | (787,840) | $ | 248,989 | $ | 1,497,797 | $ | (1,157,802) | $ | 339,995 | |||||||||||||||||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Revolving facility | $ | 1,165,073 | $ | 616,503 | |||||||
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 debt | 7,335 | 7,842 | |||||||||
| Finance leases | 10,629 | 27,876 | |||||||||
| Total debt and finance leases | 2,683,037 | 2,152,221 | |||||||||
| Less: | |||||||||||
| Current portion of long-term debt | 6,699 | 166 | |||||||||
| Current portion of finance leases | 1,587 | 3,228 | |||||||||
| Current portion of long-term debt and finance leases | 8,286 | 3,394 | |||||||||
| Long-term debt and finance leases | 2,674,751 | 2,148,827 | |||||||||
| Debt discount and debt issuance costs | (11,618) | (12,467) | |||||||||
| Long-term debt, net and finance leases | $ | 2,663,133 | $ | 2,136,360 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Numerator: | |||||||||||
| Net income (loss) | $ | (14,802) | $ | 25,878 | |||||||
| Less: Net income attributable to noncontrolling interests | 41 | 409 | |||||||||
| Net income (loss) attributable to common shareholders | (14,843) | 25,469 | |||||||||
| Denominator: | |||||||||||
| Weighted-average shares outstanding - Basic | 48,951 | 50,677 | |||||||||
| Effect of dilutive securities: | |||||||||||
| Stock options, restricted stock units and performance share units | — | 176 | |||||||||
| Weighted-average shares outstanding - Diluted | 48,951 | 50,853 | |||||||||
Anti-dilutive common stock equivalents (1)(2) | 615 | 958 | |||||||||
(1) Anti-dilutive common stock equivalents represent amounts outstanding related to employee stock options, RSUs and PSUs for all periods presented. | |||||||||||
(2) 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. | |||||||||||
| Foreign Currency Translation Adjustment and Other | Pension and Other Post-Retirement Benefit Plans | Total | |||||||||||||||
| (in thousands) | |||||||||||||||||
| December 27, 2025 | $ | (120,167) | $ | (51,616) | $ | (171,783) | |||||||||||
| Other comprehensive income (loss) | (24,746) | 894 | (23,852) | ||||||||||||||
| Net current period other comprehensive income (loss) | (24,746) | 894 | (23,852) | ||||||||||||||
Income tax (benefit) expense | (4,817) | 224 | (4,593) | ||||||||||||||
| March 28, 2026 | $ | (140,096) | $ | (50,946) | $ | (191,042) | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
(in thousands, except percentages) | |||||||||||
| Income (loss) before income taxes | $ | (29,942) | $ | 35,978 | |||||||
| Provision (benefit) for income taxes | (15,140) | 10,100 | |||||||||
Effective tax rate | 50.6 | % | 28.1 | % | |||||||
| March 28, 2026 | December 27, 2025 | Affected Line Item in the Unaudited Condensed Consolidated Balance Sheets | |||||||||||||||
| (in thousands) | |||||||||||||||||
| Prepaid income tax | $ | 125,244 | $ | 119,903 | Other current assets | ||||||||||||
| Accrued income taxes | 48,739 | 39,016 | Other current liabilities | ||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| RMS | $ | 17,632 | $ | 1,424 | |||||||
| DSA | 6,880 | 17,542 | |||||||||
| Manufacturing | 462 | 3,711 | |||||||||
| Unallocated corporate | 6,606 | 1,168 | |||||||||
| Total | $ | 31,580 | $ | 23,845 | |||||||
| March 28, 2026 | March 29, 2025 | ||||||||||||||||||||||||||||||||||
| Severance and Transition Costs | Asset Impairments and Other Costs | Total | Severance and Transition Costs | Asset Impairments and Other Costs | Total | ||||||||||||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||||||||
| Cost of services provided (excluding amortization of intangible assets) | $ | 4,791 | $ | 21,194 | $ | 25,985 | $ | 7,698 | $ | 13,173 | $ | 20,871 | |||||||||||||||||||||||
| Cost of products sold (excluding amortization of intangible assets) | 1,199 | 1,191 | 2,390 | 263 | 1,233 | 1,496 | |||||||||||||||||||||||||||||
| Selling, general and administrative | 228 | 2,977 | 3,205 | 453 | 1,025 | 1,478 | |||||||||||||||||||||||||||||
| Total restructuring costs | $ | 6,218 | $ | 25,362 | $ | 31,580 | $ | 8,414 | $ | 15,431 | $ | 23,845 | |||||||||||||||||||||||
| Severance and Transition Costs | Asset Impairments | Other Costs | Total | ||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||
| Three Months Ended March 28, 2026 | |||||||||||||||||||||||
Beginning balance | $ | 23,005 | $ | — | $ | — | $ | 23,005 | |||||||||||||||
Expense | 6,218 | 15,561 | 9,801 | 31,580 | |||||||||||||||||||
Payments / utilization | (8,231) | — | (9,073) | (17,304) | |||||||||||||||||||
Other non-cash adjustments | — | (15,561) | (728) | (16,289) | |||||||||||||||||||
Foreign currency adjustments | (284) | — | — | (284) | |||||||||||||||||||
Ending Balance | $ | 20,708 | $ | — | $ | — | $ | 20,708 | |||||||||||||||
| Three Months Ended March 29, 2025 | |||||||||||||||||||||||
Beginning balance | $ | 24,469 | $ | — | $ | 875 | $ | 25,344 | |||||||||||||||
Expense | 8,414 | 10,306 | 5,125 | 23,845 | |||||||||||||||||||
Payments / utilization | (9,052) | — | (5,268) | (14,320) | |||||||||||||||||||
Other non-cash adjustments | — | (10,306) | 143 | (10,163) | |||||||||||||||||||
Foreign currency adjustments | 93 | — | — | 93 | |||||||||||||||||||
Ending Balance | $ | 23,924 | $ | — | $ | 875 | $ | 24,799 | |||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | ||||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Service revenue | $ | 798,152 | $ | 797,923 | $ | 229 | — | % | |||||||||||||||||||||
| Product revenue | 197,678 | 186,245 | 11,433 | 6.1 | % | ||||||||||||||||||||||||
Total revenue | $ | 995,830 | $ | 984,168 | $ | 11,662 | 1.2 | % | |||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | Impact of FX | |||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| RMS | $ | 208,367 | $ | 213,073 | $ | (4,706) | (2.2) | % | 3.3 | % | |||||||||||||||||||
| DSA | 596,923 | 592,609 | 4,314 | 0.7 | % | 2.2 | % | ||||||||||||||||||||||
| Manufacturing | 190,540 | 178,486 | 12,054 | 6.8 | % | 3.9 | % | ||||||||||||||||||||||
| Total revenue | $ | 995,830 | $ | 984,168 | $ | 11,662 | 1.2 | % | 2.8 | % | |||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | Impact of FX | |||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Revenue | $ | 208,367 | $ | 213,073 | $ | (4,706) | (2.2) | % | 3.3 | % | |||||||||||||||||||
| Cost of revenue (excluding amortization of intangible assets) | 153,963 | 139,296 | 14,667 | 10.5 | % | ||||||||||||||||||||||||
| Selling, general and administrative | 1,595 | 24,206 | (22,611) | (93.4) | % | ||||||||||||||||||||||||
| Amortization of intangible assets | 3,036 | 5,966 | (2,930) | (49.1) | % | ||||||||||||||||||||||||
| Operating income | $ | 49,773 | $ | 43,605 | $ | 6,168 | 14.1 | % | 7.3 | % | |||||||||||||||||||
| Operating income % of revenue | 23.9 | % | 20.5 | % | 340 bps | ||||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | Impact of FX | |||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Revenue | $ | 596,923 | $ | 592,609 | $ | 4,314 | 0.7 | % | 2.2 | % | |||||||||||||||||||
| Cost of revenue (excluding amortization of intangible assets) | 435,160 | 420,143 | 15,017 | 3.6 | % | ||||||||||||||||||||||||
| Selling, general and administrative | 47,524 | 65,293 | (17,769) | (27.2) | % | ||||||||||||||||||||||||
| Amortization of intangible assets | 10,364 | 13,221 | (2,857) | (21.6) | % | ||||||||||||||||||||||||
| Operating income | $ | 103,875 | $ | 93,952 | $ | 9,923 | 10.6 | % | (2.2) | % | |||||||||||||||||||
| Operating income % of revenue | 17.4 | % | 15.9 | % | 150 bps | ||||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change(1) | Impact of FX(1) | |||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Revenue | $ | 190,540 | $ | 178,486 | $ | 12,054 | 6.8 | % | 3.9 | % | |||||||||||||||||||
| Cost of revenue (excluding amortization of intangible assets) | 112,043 | 106,997 | 5,046 | 4.7 | % | ||||||||||||||||||||||||
| Selling, general and administrative | 29,713 | 34,032 | (4,319) | (12.7) | % | ||||||||||||||||||||||||
| Amortization of intangible assets | 1,945 | 46,077 | (44,132) | (95.8) | % | ||||||||||||||||||||||||
Operating income (loss) | $ | 46,839 | $ | (8,620) | $ | 55,459 | NM | NM | |||||||||||||||||||||
Operating income (loss) % of revenue | 24.6 | % | (4.8) | % | 2,940 bps | ||||||||||||||||||||||||
(1) “NM” indicates that the percentage change is not meaningful due to the magnitude of the increase or (decrease). | |||||||||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | Impact of FX | |||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Unallocated corporate | $ | 80,590 | $ | 54,268 | $ | 26,322 | 48.5 | % | 1.5 | % | |||||||||||||||||||
| Unallocated corporate % of revenue | 8.1 | % | 5.5 | % | 260 bps | ||||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | ||||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Other income (expense): | |||||||||||||||||||||||||||||
| Interest income | $ | 1,033 | $ | 1,404 | $ | (371) | (26.4) | % | |||||||||||||||||||||
| Interest expense | (26,742) | (27,884) | 1,142 | (4.1) | % | ||||||||||||||||||||||||
Other (expense) income, net | (124,130) | (12,211) | (111,919) | 916.5 | % | ||||||||||||||||||||||||
| Total other expense, net | $ | (149,839) | $ | (38,691) | $ | (111,148) | 287.3 | % | |||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ change | % change | ||||||||||||||||||||||||||
| (in thousands, except percentages) | |||||||||||||||||||||||||||||
| Income (loss) before income taxes | $ | (29,942) | $ | 35,978 | $ | (65,920) | (183.2) | % | |||||||||||||||||||||
Provision (benefit) for income taxes | (15,140) | 10,100 | (25,240) | (249.9) | % | ||||||||||||||||||||||||
| Effective tax rate | 50.6 | % | 28.1 | % | 2,250 bps | ||||||||||||||||||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Cash and cash equivalents: | |||||||||||
| Held in U.S. entities | $ | 1,406 | $ | 4,514 | |||||||
| Held in non-U.S. entities | 190,424 | 209,256 | |||||||||
| Total cash and cash equivalents | $ | 191,830 | $ | 213,770 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Net income (loss) | $ | (14,802) | $ | 25,878 | |||||||
| Adjustments to reconcile net income to net cash provided by operating activities | 161,958 | 144,532 | |||||||||
| Changes in assets and liabilities | (106,079) | 1,287 | |||||||||
| Net cash provided by operating activities | $ | 41,077 | $ | 171,697 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Acquisition of businesses and assets, net of cash acquired | $ | (405,006) | $ | — | |||||||
| Capital expenditures | (55,908) | (59,324) | |||||||||
| Investments, net | (5,570) | (3,700) | |||||||||
| Proceeds from sale of businesses and assets, net | 60,096 | 17,441 | |||||||||
| Other, net | (1,457) | 104 | |||||||||
| Net cash used in investing activities | $ | (407,845) | $ | (45,479) | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Proceeds from long-term debt and revolving credit facility | $ | 912,462 | $ | 416,341 | |||||||
Payments on long-term debt, revolving credit facility, and finance lease obligations | (355,676) | (149,394) | |||||||||
| Proceeds from exercises of stock options | 1,223 | — | |||||||||
| Purchase of treasury stock | (208,285) | (353,132) | |||||||||
| Purchase of remaining equity interest of other redeemable noncontrolling interest | — | (19,140) | |||||||||
| Other, net | (2,000) | — | |||||||||
| Net cash provided by (used in) financing activities | $ | 347,724 | $ | (105,325) | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Revolving facility | $ | 1,165,073 | $ | 616,503 | |||||||
| 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 | |||||||||
| Total | $ | 2,665,073 | $ | 2,116,503 | |||||||
| Total Number of Shares Purchased | Average Price Paid per Share | 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) | |||||||||||||||||||||||
| December 28, 2025 to January 24, 2026 | 158 | $ | 200.95 | — | $ | 1,000,000 | |||||||||||||||||
| January 25, 2026 to February 21, 2026 | 38,961 | 211.68 | — | 1,000,000 | |||||||||||||||||||
| February 22, 2026 to March 28, 2026 | 1,135,552 | 176.13 | 1,135,516 | 800,000 | |||||||||||||||||||
| Total | 1,174,671 | 1,135,516 | |||||||||||||||||||||
| (a) Exhibits | Description 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. | |||||
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | |||||||||||
May 7, 2026 | /s/ BIRGIT GIRSHICK | ||||||||||
Birgit Girshick Chief Executive Officer | |||||||||||
May 7, 2026 | /s/ GLENN COLEMAN | ||||||||||
Glenn Coleman Corporate Executive Vice President and Chief Financial Officer | |||||||||||
/s/ Birgit Girshick | |||||||||||
| May 7, 2026 | Birgit Girshick Chief Executive Officer Charles River Laboratories International, Inc. | ||||||||||
/s/ Glenn Coleman | |||||||||||
| May 7, 2026 | Glenn Coleman Corporate Executive Vice President and Chief Financial Officer Charles River Laboratories International, Inc. | ||||||||||
/s/ Birgit Girshick | ||||||||||||||
| May 7, 2026 | Birgit Girshick Chief Executive Officer Charles River Laboratories, Inc. | |||||||||||||
/s/ Glenn Coleman | ||||||||||||||
| May 7, 2026 | Glenn Coleman Corporate Executive Vice President and Chief Financial Officer Charles River Laboratories, Inc. | |||||||||||||