Income Taxes Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 01, 2017	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Operating Loss Carryforwards [Line Items]
Income tax expense, valuation allowance	$ 30,400	$ 30,374	$ (2,959)	$ (24,326)
Unrecognized Tax Benefits	0	0	0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	0	0	$ 0
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Federal operating loss carryforwards	$ 61,000	$ 61,000