Summary of Goodwill and Acquired Intangible Assets

12 Months Ended

Dec. 31, 2011

Summary of Goodwill and Acquired Intangible Assets [Abstract]

Summary of Goodwill and Acquired Intangible Assets

(7) Summary of Goodwill and Acquired Intangible Assets

There were no changes in the carrying amount of goodwill for the year ended December 31, 2011. The change in the carrying amount of goodwill for the year ended December 31, 2010 is as follows:

	January 1, 2010			Additions(1)		Disposals/ Impairments		December 31, 2010
Goodwill	$	258,155		$	11,220	$	—	$	269,375
Accumulated impairment losses		(8,879	)		—		—		(8,879	)
Total	$	249,276		$	11,220	$	—	$	260,496

(1) Goodwill associated with the acquisition of the Medicaid contract rights and rights under certain provider agreements of UHP on March 1, 2010.

Other acquired intangible assets, included in other long-term assets in the audited Consolidated Balance Sheets, at December 31, 2011 and 2010 are as follows:

	2011					2010
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Membership rights and provider contracts	$	28,171	$	(26,594	)	$	28,171	$	(26,106	)
Non-compete agreements and trademarks		946		(946	)		946		(946	)
	$	29,117	$	(27,540	)	$	29,117	$	(27,052	)

During the year ended December 31, 2010, the Company sold certain trademarks for $4,000. The carrying value, net of accumulated amortization of these trademarks, was zero.

Amortization expense for the years ended December 31, 2011, 2010 and 2009 was $488, $589 and $404, respectively, and the estimated aggregate amortization expense for the five succeeding years is as follows:

	Estimated Amortization Expense
2012	$	365
2013		284
2014		225
2015		150
2016		120