Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Applebee's Property Lease Guarantee	Dec. 31, 2011 Applebee's Property Lease Guarantee	Dec. 31, 2012 Applebee's Partially Guaranteed Third Party Financing Program Franchisee	Dec. 31, 2012 Applebee's Unpaid Wages
Loss Contingencies [Line Items]
Outstanding purchase commitments	$ 137.5
Outstanding lease guarantees		448.5	349.6
Maximum third party financing available to qualified franchisees				250.0
Percent of certain loans advanced guaranteed				10.00%
Number of franchisees with loans outstanding				1
Amount of franchisee loand outstanding				13.1
Percent of time spent performing general preparation and maintenance duties (more than 20%)					20.00%
Damages sought					17
Settlement amount					9.1
Unused letters of credit outstanding	$ 12.1