Goodwill And Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill And Intangible Assets

Changes In Carrying Amount Of Goodwill

		Three Months Ended
		March 31,
		2013		2012
Balance, beginning of period		$	1,652,002	$	1,229,298
Goodwill acquired, including post acquisition adjustments			(2,702)		11,911
Goodwill disposed, including impact of deconsolidation transaction			(2,120)		(787)
	Balance, end of period	$	1,647,180	$	1,240,422

Schedule of Finite-Lived Intangible Assets

		March 31, 2013						December 31, 2012
		Gross						Gross
		Carrying		Accumulated				Carrying		Accumulated
		Amount		Amortization		Net		Amount		Amortization		Net
Deferred financing cost		$	14,536	$	(3,519)	$	11,017	$	14,523	$	(3,029)	$	11,494
Agreements, contracts and other intangible assets			3,448		(2,305)		1,143		3,448		(2,250)		1,198
	Total amortizable intangible assets	$	17,984	$	(5,824)	$	12,160	$	17,971	$	(5,279)	$	12,692