Summary of Significant Accounting Policies Advertising Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Accounting Policies [Abstract]
Marketing and Advertising Expense	$ 13,922	$ 14,663	$ 16,048
Marketing and Advertising Expense moved to COS	$ 12,862	$ 11,179	$ 10,631