Reportable Segment Information Schedule Of Financial Information For Company's Franchising Segment (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues	$ 223,162,000	$ 210,413,000	$ 543,612,000	$ 513,203,000
Operating income (loss)	66,549,000	65,253,000	147,337,000	147,908,000
Income (loss) before income taxes	57,592,000	55,668,000	118,588,000	133,840,000
Franchising [Member]
Revenues	221,839,000	209,175,000	539,999,000	509,763,000
Operating income (loss)	75,085,000	76,290,000	185,491,000	184,096,000
Income (loss) before income taxes	75,506,000	76,461,000	185,831,000	184,084,000
SkyTouch Technology [Member]
Revenues	13,000	0	13,000	0
Operating income (loss)	(3,271,000)	(720,000)	(8,768,000)	(2,074,000)
Income (loss) before income taxes	(3,271,000)	(720,000)	(8,768,000)	(2,074,000)
Corporate & Other [Member]
Revenues	1,310,000	1,238,000	3,600,000	3,440,000
Operating income (loss)	(5,265,000)	(10,317,000)	(29,386,000)	(34,114,000)
Income (loss) before income taxes	$ (14,643,000)	$ (20,073,000)	$ (58,475,000)	$ (48,170,000)