Guarantees and Other Commitments and Contingencies Beverage Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Long-term Purchase Commitment
Purchase Obligation, Due in Next Twelve Months	$ 9,800
Purchase Obligation, Due in Second Year	10,200
Purchase Obligation, Due in Third Year	10,900
Purchase Obligation, Due in Fourth Year	400
Purchase Obligation	31,300
Purchase Obligation, Purchases During Period	9,370	$ 12,839	$ 15,720
Accounts Payable
Long-term Purchase Commitment
Amount Due from (to) Vendor for Difference between Estimated Annual Usage and Contractual Terms	$ (2,082)