Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Income Tax Disclosure [Abstract]
Current, Federal									$ 22,479	$ 23,659	$ 19,855
Current, State and other									3,842	2,693	3,963
Current, Foreign									131	301	0
Current income tax expense									26,452	26,653	23,818
Deferred, Federal									3,109	28	6,562
Deferred, State and other									(676)	5,610	1,917
Deferred income tax expense									2,433	5,638	8,479
Income tax expense	$ 6,652	$ 6,557	$ 9,758	$ 5,918	$ 14,572	$ 9,809	$ 4,584	$ 3,326	$ 28,885	$ 32,291	$ 32,297