Intangible Franchise Rights and Goodwill (Details) - Jun. 30, 2015 - USD ($) $ in Thousands		Total
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss		$ 42,400
Ending Balance		887,200
U.S. [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		69,924
Goodwill, Written off Related to Sale of Business Unit		(1,109)
Goodwill, Purchase Accounting Adjustments		(282)
Goodwill, Translation Adjustments		0
Goodwill, Subsequent Recognition of Deferred Tax Asset		(12)
Ending Balance	[1]	769,163
Intangible Franchise Rights
Beginning Balance		257,502
Additions through acquisitions		33,562
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit		(188)
Currency Translation		0
Ending Balance		290,876
U.K. [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		0
Goodwill, Written off Related to Sale of Business Unit		0
Goodwill, Purchase Accounting Adjustments		1,729
Goodwill, Translation Adjustments		427
Goodwill, Subsequent Recognition of Deferred Tax Asset		0
Ending Balance	[1]	37,294
Intangible Franchise Rights
Beginning Balance		8,157
Additions through acquisitions		0
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit		0
Currency Translation		97
Ending Balance		8,254
Brazil [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		0
Goodwill, Written off Related to Sale of Business Unit		0
Goodwill, Purchase Accounting Adjustments		0
Goodwill, Translation Adjustments		(13,854)
Goodwill, Subsequent Recognition of Deferred Tax Asset		0
Ending Balance	[1]	80,743
Intangible Franchise Rights
Beginning Balance		38,288
Additions through acquisitions		0
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit		0
Currency Translation		(5,607)
Ending Balance		32,681
Consolidated Total [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		69,924
Goodwill, Written off Related to Sale of Business Unit		(1,109)
Goodwill, Purchase Accounting Adjustments		1,447
Goodwill, Translation Adjustments		(13,427)
Goodwill, Subsequent Recognition of Deferred Tax Asset		(12)
Ending Balance	[1]	887,200
Intangible Franchise Rights
Beginning Balance		303,947
Additions through acquisitions		33,562
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit		(188)
Currency Translation		(5,510)
Ending Balance		$ 331,811

[1] 1) Net of accumulated impairment of $42.4 million.