Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023
Operating activities:
Net income	$ 175,740	$ 614,531
Loss (income) from discontinued operations, net of income taxes	18,948	(498,595)
Income from continuing operations	194,688	115,936
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations:
Restructuring and other costs, net	22,119	15,936
Depreciation and amortization	322,816	326,201
Gain (Loss) on Extinguishment of Debt	0	(3,422)
Stock-based compensation	32,756	34,229
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	6,006	1,718
Amortization of deferred debt financing costs and accretion of discounts	5,051	5,800
Change in fair value of financial securities	(13,975)	12,842
Unrealized Foreign Exchange (Gain) Loss Related to Proceed from Sale of Business	(1,063)	23,679
Changes in operating assets and liabilities which provided (used) cash, excluding effects from companies purchased and divested:
Accounts receivable, net	33,291	(30,913)
Inventories	26,817	(34,834)
Accounts payable	(24,782)	(85,394)
Increase (Decrease) in Accrued Expenses and Other	(114,236)	(322,995)
Net cash provided by operating activities of continuing operations	489,488	58,783
Net cash used in operating activities of discontinued operations	(35,419)	(164,124)
Net cash provided by (used in) operating activities	454,069	(105,341)
Investing activities:
Capital expenditures	(62,194)	(57,252)
Purchases of investments and notes receivables	(4,337)	(6,000)
Proceeds from investments and notes receivables	2,500	0
Payments to Acquire Marketable Securities	0	831,219
Proceeds from Sale and Maturity of Marketable Securities	710,000	550,000
Proceeds from Divestiture of Businesses	0	153
Cash paid for acquisitions, net of cash acquired	0	(2,086)
Net cash provided by (used in) investing activities of continuing operations	645,969	(346,404)
Net cash provided by investing activities of discontinued operations	147,522	2,074,734
Net cash provided by investing activities	793,491	1,728,330
Financing activities:
Repayments of Senior Debt	(711,479)	(517,973)
Payments of debt financing and equity issuance costs	0	(15)
Net payments on other credit facilities	(10,771)	7,218
Payment for Contingent Consideration Liability, Financing Activities	(8,832)	(10,117)
Proceeds from issuance of common stock under stock plans	6,173	3,721
Purchases of common stock	(184,421)	(384,014)
Dividends paid	(25,915)	(26,327)
Net cash used in financing activities	(935,245)	(927,507)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	4,120	(28,270)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalent	316,435	667,212
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at beginning of period	914,373	470,746
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period	1,230,808	1,137,958
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	1,229,778	1,136,721
Restricted Cash, Current	1,030	1,237
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,230,808	1,137,958
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Non-cash consideration in sale of business	$ 0	$ 261,317