Other Intangible Assets Schedule of Finite-lived Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Future Amortization Expense	$ 11.7
Finite-Lived Intangible Assets, Weighted-Average Useful Life	18.9	18.7
Finite-Lived Intangible Assets, Net	168.0	180.6
Finite-Lived Intangible Assets, Gross	220.8	221.7
Finite-Lived Intangible Assets, Accumulated Amortization	(52.8)	(41.1)
Franchise Rights [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	159.3	169.3
Finite-Lived Intangible Assets, Gross	200.4	200.4
Finite-Lived Intangible Assets, Accumulated Amortization	(41.1)	(31.1)
Recipes and Menus [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	6.6	8.9
Finite-Lived Intangible Assets, Gross	15.7	15.7
Finite-Lived Intangible Assets, Accumulated Amortization	(9.1)	(6.8)
Leaseholds and Other [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	2.1	2.4
Finite-Lived Intangible Assets, Gross	4.7	5.6
Finite-Lived Intangible Assets, Accumulated Amortization	$ (2.6)	$ (3.2)