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Summary of Goodwill and Acquired Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2011

Summary of Goodwill and Acquired Intangible Assets [Abstract]

Other acquired intangible assets subject to amortization


	June 30, 2011					December 31, 2010
	Gross Carrying		Accumulated			Gross Carrying		Accumulated
	Amount		Amortization			Amount		Amortization

Membership rights and provider contracts	$	28,171	$	(26,369	)	$	28,171	$	(26,106	)
Non-compete agreements and trademarks		946		(946	)		946		(946	)

	$	29,117	$	(27,315	)	$	29,117	$	(27,052	)

- 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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