Income Taxes (Components of Provision (Benefit) for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2017	Dec. 29, 2015	Dec. 30, 2014
Current tax provision:
Federal	$ 0	$ 0	$ 0
State	134	144	792
Foreign	0	0	0
Total current tax provision	134	144	792
Deferred tax provision (benefit):
Federal	(1,979)	(7,169)	5,662
State	2,854	(1,495)	668
Foreign	224	(214)	0
Total deferred tax provision (benefit)	1,099	(8,878)	6,330
Total provision (benefit) for income taxes	$ 1,233	$ (8,734)	$ 7,122