Guarantees and Other Commitments and Contingencies Beverage Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Long-term Purchase Commitment
Purchase Obligation, Due in Next Twelve Months	$ 10,800
Purchase Obligation, Due in Second Year	11,300
Purchase Obligation, Purchases During Period	10,108	$ 9,370	$ 12,839
Accounts Payable
Long-term Purchase Commitment
Amount Due from (to) Vendor for Difference between Estimated Annual Usage and Contractual Terms	$ (2,414)