Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Feb. 12, 2008 Applebee's [Member] OptInForms	Dec. 31, 2011 Applebee's [Member] Property Lease Guarantee [Member]	Dec. 31, 2010 Applebee's [Member] Property Lease Guarantee [Member]	Dec. 31, 2011 Applebee's [Member] Partially Guaranteed Third Party Financing Program [Member]
Loss Contingencies [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 104.7
Guarantor Obligations, Current Carrying Value			349.6	149.7
Number of Opt Ins Relating to Collective Action Suit Against Applebees		5,540
Maximum Third Party Financing Available to Qualified Franchisees					250.0
Percent of Loans Advanced Guaranteed					10.00%
Number of Franchisees With Loans Outstanding Under Third Party Financing Program					4
Loan Amounts Outstanding Under Third Party Qualified Financing Program					22.9
Unused Letters of Credit For Collateralizing Obligations With Insurance Companies For Outstanding Claims	$ 15.7