Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jul. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Operating activities:
Net income	$ 245,930	$ 137,162	$ 625,235	$ 170,827
Loss from discontinued operations and dispositions, net of income taxes	38	51	76	101
Income from continuing operations	245,968	137,213	625,311	170,928
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations:
Restructuring and other costs, net	5,063	1,158	10,807	7,016
Depreciation and amortization			145,822	120,047
Loss (Gain) on disposition of businesses and assets, net				485
Loss (Gain) on Disposition of Assets, net			0
Stock-based compensation			12,361	12,654
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability			477	(11,446)
Amortization of deferred debt financing costs and accretion of discounts			1,724	1,642
Change in fair value of financial securities	(8,633)	0	(27,931)	0
Amortization of acquired inventory revaluation			5,303	1,485
Changes in operating assets and liabilities which provided (used) cash, excluding effects from companies purchased and divested:
Accounts receivable, net			155,270	4,312
Inventories			7,239	(126,707)
Accounts payable			(26,795)	20,907
Accrued expenses and other			(148,226)	(2,677)
Net cash provided by operating activities			761,362	198,646
Investing activities:
Capital expenditures			(34,675)	(37,138)
Proceeds from surrender of life insurance policies			0	131
Payments to Acquire Investments			(14,507)	(7,393)
Proceeds from Divestiture of Businesses			0	1,815
Cash paid for acquisitions, net of cash, cash equivalents and restricted cash acquired			(702,697)	(2,990)
Net cash used in investing activities			(751,879)	(45,575)
Financing activities:
Payments of borrowings			763,545	290,000
Proceeds from borrowings			729,000	188,000
Repayments of Senior Debt			(339,605)	0
Proceeds from sale of senior debt			799,856	0
Payments of debt financing costs			(8,242)	0
Settlement of cash flow hedges			(5,935)	5,037
Net payments on other credit facilities			(11,826)	(6,036)
Payments for acquisition-related contingent consideration			0	(5,200)
Proceeds from issuance of common stock under stock plans			14,185	10,074
Purchases of common stock			(72,924)	(6,669)
Dividends paid			(15,697)	(15,572)
Net cash provided by (used in) financing activities			325,267	(120,366)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents			(10,659)	(4,658)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalent			324,091	28,047
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at beginning of period			402,613	191,894
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period	726,704	219,941	726,704	219,941
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	572,810	218,536	572,810	218,536
Restricted Cash, Current	1,750	1,405	1,750	1,405
Restricted Cash, Noncurrent	152,144	0	152,144	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 726,704	$ 219,941	$ 726,704	$ 219,941