Guarantees and Other Commitments and Contingencies Franchisee Image Activation Programs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2014	Jan. 01, 2017
Other commitments[Line Items]
Letters of Credit Outstanding, Amount		$ 33,004
General and Administrative Expense [Member]
Other commitments[Line Items]
Franchisee Incentive Program, Cost	$ 4,369
Standby Letters of Credit [Member]
Other commitments[Line Items]
Letters of Credit Outstanding, Amount		$ 6,000