Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Income Tax Disclosure [Abstract]
Tax expense at statutory rates	$ 137,447	$ 168,179	$ 338,495
State income tax, net of federal benefit	18,561	25,321	22,214
Tax credits	(22,750)	(19,737)	(17,727)
Foreign rate differential	(6,328)	(4,851)	(26,379)
Share-based compensation	(8,090)	(1,696)	(62,501)
Effective Income Tax Rate Reconciliation, Deduction, U.S. Tax Reform, Amount	0	0	(170,999)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	0	0	25,114
Permanent differences	3,278	6,224	(10,700)
Other, net	2,940	(2,648)	2,634
Total income tax expense	$ 125,058	$ 170,792	$ 100,151