Guarantees and Other Commitments and Contingencies Franchisee Image Activation Programs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Other commitments[Line Items]
Letters of Credit Outstanding, Amount	$ 36,540
Minimum [Member]
Other commitments[Line Items]
Years of reduction in royalty payment attributable to incentive program	1 year
Maximum [Member]
Other commitments[Line Items]
Years of reduction in royalty payment attributable to incentive program	2 years
General and Administrative Expense [Member]
Other commitments[Line Items]
Franchisee Incentive Program, Cost		$ 4,369	$ 9,178
Standby Letters of Credit [Member]
Other commitments[Line Items]
Letters of Credit Outstanding, Amount	$ 6,000