Fair Value Measurements (Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis) (Details) - USD ($) $ in Thousands	Jul. 04, 2021	Apr. 04, 2021	Jan. 03, 2021	Jul. 05, 2020	Apr. 05, 2020	Dec. 29, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	$ 3,334	$ 3,124	$ 2,953	$ 13,726	$ 22,777	$ 35,481
Fair Value, Recurring [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	50,100		2,154
Foreign exchange derivative assets, net	(2,663)		(31,248)
Foreign exchange derivative liabilities, net	(13,670)		(21,413)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	3,334		2,953
Fair Value, Recurring [Member] | Quoted Prices In Active Markets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	50,100		2,154
Foreign exchange derivative assets, net	0		0
Foreign exchange derivative liabilities, net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	0		0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	0		0
Foreign exchange derivative assets, net	(2,663)		(31,248)
Foreign exchange derivative liabilities, net	(13,670)		(21,413)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	0		0
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	0		0
Foreign exchange derivative assets, net	0		0
Foreign exchange derivative liabilities, net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	$ 3,334		$ 2,953