Reportable Segment Information Schedule Of Financial Information For Company's Franchising Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reportable Segment Information [Line Items]
Revenues	$ 241,526	$ 215,168	$ 648,927	$ 572,568
Operating income (loss)	73,803	66,986	178,124	168,311
Income (loss) from continuing operations before income taxes	62,268	55,958	146,181	137,720
Franchising [Member]
Reportable Segment Information [Line Items]
Revenues	240,067	215,076	646,454	572,355
Operating income (loss)	87,011	82,525	221,041	211,946
Income (loss) from continuing operations before income taxes	87,340	81,946	219,934	211,368
SkyTouch Technology [Member]
Reportable Segment Information [Line Items]
Revenues	313	92	806	213
Operating income (loss)	(4,339)	(4,928)	(14,228)	(12,794)
Income (loss) from continuing operations before income taxes	(4,339)	(4,928)	(14,228)	(12,794)
Corporate & Other [Member]
Reportable Segment Information [Line Items]
Revenues	1,146	0	1,667	0
Operating income (loss)	(8,869)	(10,611)	(28,689)	(30,841)
Income (loss) from continuing operations before income taxes	$ (20,733)	$ (21,060)	$ (59,525)	$ (60,854)