Segments (Narrative) (Details)	3 Months Ended
	Mar. 31, 2013
Franchisor Disclosure [Line Items]
Number of segments	4
Applebee's
Franchisor Disclosure [Line Items]
Number of Territories in which entity operates	1
Number of Countries in which entity operates	15
IHOP
Franchisor Disclosure [Line Items]
Number of Territories in which entity operates	2
Number of Countries in which entity operates	7
Franchised Units | Applebee's
Franchisor Disclosure [Line Items]
Number of Restaurants	2,008
Franchised Units | IHOP
Franchisor Disclosure [Line Items]
Number of Restaurants	1,577
Company Operated | Applebee's
Franchisor Disclosure [Line Items]
Number of Restaurants	23
Company Operated | IHOP
Franchisor Disclosure [Line Items]
Number of Restaurants	10
Number of Restaurants reacquired until refranchised	2