Acquisition of Peter Piper Pizza - Pro Forma Financial Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Business Acquisition [Line Items]
Net Income (loss)	$ (12,510)
Peter Piper Pizza [Member]
Business Acquisition [Line Items]
Total revenues		$ 887,018	$ 885,476
Net Income (loss)		$ 5,758	$ (1,328)