Income Taxes (Components of Income Tax Expense (Benefit) on Income (Loss) from Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Current tax expense:
Federal	$ 0	$ 0	$ 0
Foreign	592	376	702
State	1,058	1,080	888
Current tax expense	1,650	1,456	1,590
Deferred tax expense (benefit):
Federal	1,109	(8,771)	1,905
Foreign	270	124	16
State	1,364	11,350	10,650
Deferred tax expense (benefit)	2,743	2,703	12,571
Income tax expense	$ 4,393	$ 4,159	$ 14,161