Business Segments (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Segment Reporting Information, by Segment

The following table represents revenues, gross profit, operating income, amortization and total assets by reportable segment (in thousands):



	Year ended December 31, 2013
	Apex		Oxford		Life Sciences		Physician		Corporate			Total
Revenues	$	942,463	$	412,189	$	171,518	$	105,827	$	—		$	1,631,997
Gross Profit	258,150		143,334		56,308		30,614		—			488,406
Operating income	76,971		58,990		28,354		8,852		(49,199		)	123,968
Amortization	19,524		965		429		742		91			21,751
Total assets ⁽¹⁾	656,733		365,118		128,824		110,519		—			1,261,194



	Year ended December 31, 2012
	Apex		Oxford		Life Sciences			Physician		Corporate			Total
Revenues	$	508,743	$	363,765	$	162,799		$	102,679	$	—		$	1,137,986
Gross Profit	140,669		127,895		55,874			31,455		—			355,893
Operating income	36,416		56,289		25,632			9,998		(47,154		)	81,181
Amortization	15,665		437		807			817		290			18,016
Total assets ⁽¹⁾	642,594		235,099		150,696		⁽²⁾	86,074		—			1,114,463



	Year ended December 31, 2011
	Apex		Oxford		Life Sciences			Physician		Corporate			Total
Revenues	$	—	$	279,643	$	155,324		$	80,617	$	—		$	515,584
Gross Profit	—		99,187		52,643			25,858		—			177,688
Operating income	—		37,676		24,883			6,699		(30,625		)	38,633
Amortization	—		821		901			415		209			2,346
Total assets ⁽¹⁾	—		221,690		119,563		⁽²⁾	86,014		—			427,267
______

(1) As of end of the year.

(2) Life Sciences total assets as of December 31, 2012 and 2011 include assets related to the Healthcare segment, which were sold and included in discontinued operations in 2013. Historically, the Company has not reported Life Science and Healthcare segments' total assets separately as the operations were largely centralized.

Schedule of Revenue by Geographical Areas

The Company operates internationally, with operations in the United States, Europe, Canada, China, Australia, and New Zealand. The following table represents revenues by geographic location (in thousands): Year Ended December 31, 2013 2012 2011Revenues: Domestic $1,552,322 $1,060,217 $447,453Foreign 79,675 77,769 68,131 $1,631,997 $1,137,986 $515,584

Long Lived Assets By Geographic Location Domestic And Foreign

The following table represents long-lived assets by geographic location (in thousands):



	December 31,
	2013		2012		2011
Long-lived Assets:
Domestic	$	45,061	$	40,062	$	19,078
Foreign	2,856		2,006		1,033
	$	47,917	$	42,068	$	20,111

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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