Shareholders' Equity (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Changes In Components Of OCI [Line Items]
Foreign Currency Translation Adjustment and Other:		$ (47,385)	$ 66,625	$ (95,607)	$ 25,918
Unrealized Gain on Foreign Exchange Contracts Designated as Net Investment Hedges, Net:		5,318	(10,021)	10,847	3,925
Employee Benefit Plan Items, Net:		499	345	1,481	219
Net change in Accumulated other comprehensive income (loss)		(37,510)	62,176	(60,826)	6,898
Other comprehensive gain (loss) before reclassifications [Member]
Changes In Components Of OCI [Line Items]
Foreign Currency Translation Adjustment and Other:	[1]	(45,976)	65,462	(91,930)	25,195
Unrealized Gain on Foreign Exchange Contracts Designated as Net Investment Hedges, Net:		6,988	(8,352)	15,861	8,934
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax		1,760	5,133	18,225	(24,666)
Other comprehensive gain (loss) before reclassifications [Member] | Intra-entity foreign currency transactions [Member]
Changes In Components Of OCI [Line Items]
Foreign Currency Translation Adjustment and Other:		(7,540)	12,504	(8,777)	16,638
Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes In Components Of OCI [Line Items]
Foreign Currency Translation Adjustment and Other:		(497)	(82)	(1,362)	(531)
Unrealized Gain on Foreign Exchange Contracts Designated as Net Investment Hedges, Net:		(1,670)	(1,669)	(5,014)	(5,009)
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net		1,386	1,339	1,913	2,756
Employee Benefit Plan Items, Net:		$ 499	$ 345	$ 1,481	$ 219

[1] Includes intra-entity foreign currency transactions that are of a long-term investment nature of $(7,540) and $(8,777) for the third quarter and first nine months of 2021, and $12,504 and $16,638 for the third quarter and first nine months of 2020, respectively.