Reportable Segment Information Schedule Of Financial Information For Company's Franchising Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reportable Segment Information [Line Items]
Revenues	$ 241,751	$ 232,156	$ 448,869	$ 407,401
Operating income (loss)	64,942	62,917	107,815	104,321
Income (loss) before income taxes	55,610	52,879	85,988	83,913
Corporate & Other
Reportable Segment Information [Line Items]
Revenues	1,605	188	3,228	521
Operating income (loss)	(13,881)	(9,197)	(25,275)	(19,820)
Income (loss) before income taxes	(23,957)	(18,804)	(45,666)	(38,792)
Franchising | Operating Segments
Reportable Segment Information [Line Items]
Revenues	239,683	231,745	444,772	406,387
Operating income (loss)	83,573	76,573	142,165	134,030
Income (loss) before income taxes	84,317	76,142	140,729	132,594
SkyTouch Technology | Operating Segments
Reportable Segment Information [Line Items]
Revenues	463	223	869	493
Operating income (loss)	(4,750)	(4,459)	(9,075)	(9,889)
Income (loss) before income taxes	$ (4,750)	$ (4,459)	$ (9,075)	$ (9,889)