Goodwill and Identifiable Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2012 and 2011 are as follows (in thousands):

	Apex		Oxford		Life Sciences			Healthcare			Physician			Total
Balance as of December 31, 2010
Gross goodwill	$	—	$	149,483	$	12,561		$	122,230		$	37,163		$	321,437
Accumulated impairment	—		—		—			(121,717		)	—			(121,717		)
	—		149,483		12,561			513			37,163			199,720
Valesta acquisition (see Note 4)	—		—		16,097			—			—			16,097
HCP acquisition (see Note 4)	—		—		—			—			14,407			14,407
Translation adjustment	—		—		(990		)	—			—			(990		)
Balance as of December 31, 2011
Gross goodwill	—		149,483		27,668			122,230			51,570			350,951
Accumulated impairment	—		—		—			(121,717		)	—			(121,717		)
	—		149,483		27,668			513			51,570			229,234
Apex acquisition (see Note 4)	266,788		—		—			—			—			266,788
Acquisition accounting	—		—		1,814			—			(9		)	1,805
Translation adjustment	—		—		529			—			—			529
Balance as of December 31, 2012
Gross goodwill	266,788		149,483		30,011			122,230			51,561			620,073
Accumulated impairment	—		—		—			(121,717		)	—			(121,717		)
	$	266,788	$	149,483	$	30,011		$	513		$	51,561		$	498,356

Schedule of Acquired Intangible Assets

As of December 31, 2012 and December 31, 2011, the Company had the following acquired intangible assets (in thousands):

		December 31, 2012						December 31, 2011
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Subject to amortization:
Customer relations	3 months – 10 years	$	103,285	$	23,338	$	79,947	$	11,077	$	7,891	$	3,186
Contractor relations	2 - 7 years	37,871		27,754		10,117		27,276		25,599		1,677
Non-compete agreements	2 - 7 years	2,986		1,062		1,924		899		604		295
		144,142		52,154		91,988		39,252		34,094		5,158
Not subject to amortization:
Trademarks		171,852		—		171,852		25,048		—		25,048
Goodwill		498,356		—		498,356		229,234		—		229,234
Total		$	814,350	$	52,154	$	762,196	$	293,534	$	34,094	$	259,440

Schedule of Estimated Future Amortization Expense

Estimated amortization for the each of the next five fiscal years and thereafter follows (in thousands):

2013	$	20,973
2014	16,823
2015	14,305
2016	12,369
2017	8,996
Thereafter	18,522
	$	91,988