Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Intangible Assets

Summary of the changes in the carrying amount of goodwill and franchise value

	Goodwill			Franchise Value
Balance, January 1, 2013	$	978,147		$	283,152
Additions	7,303			—
Deconsolidation of Italian investment	(7,231		)	(2,908		)
Foreign currency translation	(22,039		)	(5,258		)
Balance, June 30, 2013	$	956,180		$	274,986