Summary of Significant Accounting Policies Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Accounting Policies [Abstract]
Unredeemed Gift Cards	$ 7,546	$ 7,336
Other accrued expenses	21,964	19,909
Accrued expenses and other	$ 29,510	$ 27,245