Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 25, 2015
Current Income Tax Expense (Benefit) [Abstract]
Federal	$ 41,996	$ 67,126	$ 117,883
State and local	3,088	4,868	4,576
Foreign	19,486	18,195	18,115
Total Current	64,570	90,189	140,574
Deferred Income Tax Expense (Benefit) [Abstract]
Domestic	35,782	(27,509)	(10,175)
Foreign	(5,670)	(6,699)	(1,399)
Total Deferred	30,112	(34,208)	(11,574)
Total Income Tax Expense	$ 94,682	$ 55,981	$ 129,000