Revenue Recognition Schedule of New Accounting Pronouncements and Changes in Accounting Principles (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 29, 2018	Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, Net, Current		$ 398,660	$ 328,421
Inventory, Net		521,810	424,639
Prepaid expenses and other		50,940	55,427
Deferred Income Tax Assets, Net		32,188	44,565
Accounts payable		188,299	146,333
Accrued expenses		367,446	322,171
Long-term deferred tax liability		113,896	87,815
Retained earnings		2,009,233	1,697,618
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, Net, Current			(122)
Inventory, Net			14,993
Prepaid expenses and other			(4,018)
Deferred Income Tax Assets, Net			1,319
Accrued expenses			16,557
Cumulative Effect on Retained Earnings, Net of Tax	[1]	$ (4,405)
BalanceUponAdoption | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, Net, Current			328,299
Inventory, Net			439,632
Prepaid expenses and other			51,409
Deferred Income Tax Assets, Net			45,884
Accrued expenses			338,728
Retained earnings			$ 1,693,213

[1] As of December 31, 2017, the company adopted ASU No. 2014-09, Revenue from Contracts with Customers (ASC 606) using the modified retrospective method to contracts that were not completed as of December 30, 2017. The adoption of this guidance resulted in the recognition of $(4.4) million as an adjustment to the opening balance of retained earnings.