Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Intangible Assets

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

	Goodwill			Franchise Value
Balance, January 1, 2013	$	974,720		$	283,292
Additions	6,962			—
Deconsolidation of Italian investment	(7,231		)	(2,908		)
Foreign currency translation	(23,815		)	(5,429		)
Balance, March 31, 2013	$	950,636		$	274,955