(1) Summary of Significant Accounting Policies Other Intangible Assets and Deferred Costs (Details)	12 Months Ended
	Jan. 01, 2012 years
Franchise agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life, minimum	19
Finite-lived intangible assets, useful life, maximum	21
Computer software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life, minimum	2
Finite-lived intangible assets, useful life, maximum	5
Reacquired rights under franchise agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life, minimum	3
Finite-lived intangible assets, useful life, maximum	19