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Impairment and Closure Charges (Details) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2011
Applebee's Restaurant Support Center [Member]
Mar. 31, 2011
Applebee's Restaurant Support Center [Member]
Sep. 30, 2011
Applebee's Restaurant Support Center [Member]
Impairment and Closure Charges [Line Items]              
Impairment $ 0 $ 100,000 $ 400,000 $ 4,900,000   $ 4,500,000  
Lenexa lease termination 0   0   0   21,300,000
Closure charges 400,000 100,000 900,000 700,000      
Impairment and closure charges $ 420,000 $ 193,000 $ 1,264,000 $ 26,947,000