Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Income Tax Contingency [Line Items]
Penalties for Taxes	$ 81	$ 78
Accrued Interest for Taxes	582	341
State Enterprise Zone Credits	5,300
Unrecognized Tax Benefits	835	862	$ 1,093	$ 2,476
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	0	50	167
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	0	31	218
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	0	(22)	(1,463)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	$ (27)	$ (290)	$ (305)