Income Taxes (Provisions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2015	Dec. 31, 2014	Dec. 25, 2013
Current:
Federal	$ 1,622	$ 377	$ 428
State and local	1,382	1,818	1,548
Foreign	873	896	872
Deferred:
Federal	12,264	13,269	9,285
State and local	1,742	(54)	(185)
Release of valuation allowance	(130)	(270)	(420)
Total provisions for income taxes	$ 17,753	$ 16,036	$ 11,528