Basis of Presentation (Basis of Presentation) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 05, 2020	Mar. 31, 2019	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2019
Basis of Presentation [Line Items]
Defined Benefit Plan, Other Cost (Credit)	$ (1,700)	$ (1,500)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(10,169)	$ 450
Operating Cycle				52
Operating Lease, Right-of-Use Asset	$ 196,319			$ 167,276
Accounting Standards Update 2016-13 [Member]
Basis of Presentation [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption					$ 1,300
Impact of New Accounting Principles, Deferred Tax Assets					400
Impact of New Accounting Principles, Reserve for Doubtful Accounts					$ (1,700)
Forecast [Member]
Basis of Presentation [Line Items]
Operating Cycle			53