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Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

		2011		2010

Balance, beginning of period		$	894,497	$	813,876
Goodwill acquired, including post acquisition adjustments			344,089		86,539
Disposals			(9,288)		(5,918)

	Balance, end of period	$	1,229,298	$	894,497

Summary Of Amortizable Intangible Assets

		2011						2010
		Gross						Gross
		Carrying		Accumulated				Carrying		Accumulated
		Amount		Amortization		Net		Amount		Amortization		Net

Deferred financing cost		$	6,541	$	(1,838)	$	4,703	$	4,516	$	(567)	$	3,949
Agreements, contracts and other intangible assets			3,448		(2,026)		1,422		3,180		(1,818)		1,362

	Total amortizable intangible assets	$	9,989	$	(3,864)	$	6,125	$	7,696	$	(2,385)	$	5,311

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

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