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	$ 216,718,000	$ 205,271,000	$ 555,819,000	$ 527,709,000
Operating income (loss)	63,228,000	62,374,000	155,106,000	155,454,000
Income (loss) from continuing operations before income taxes	54,271,000	52,789,000	126,357,000	141,386,000
Franchising [Member]
Revenues	216,705,000	205,271,000	555,806,000	527,709,000
Operating income (loss)	75,773,000	72,588,000	194,026,000	185,233,000
Income (loss) from continuing operations before income taxes	76,114,000	72,759,000	194,358,000	185,221,000
SkyTouch Technology [Member]
Revenues	13,000	0	13,000	0
Operating income (loss)	(2,841,000)	(720,000)	(7,307,000)	(2,074,000)
Income (loss) from continuing operations before income taxes	(2,841,000)	(720,000)	(7,307,000)	(2,074,000)
Corporate & Other [Member]
Revenues	0	0	0	0
Operating income (loss)	(9,704,000)	(9,494,000)	(31,613,000)	(27,705,000)
Income (loss) from continuing operations before income taxes	$ (19,002,000)	$ (19,250,000)	$ (60,694,000)	$ (41,761,000)