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Segment Reporting (Tables)
9 Months Ended
Sep. 30, 2012
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
The following table presents revenues, gross profit and operating income by reportable segment (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Revenues:
 
 
 
 
 
 
 
Apex
$
202,664

 
$

 
$
301,167

 
$

Oxford
88,104

 
70,074

 
254,970

 
195,512

Life Sciences
40,646

 
41,820

 
122,506

 
114,403

Healthcare
29,390

 
27,091

 
82,796

 
68,671

Physician
27,479

 
23,385

 
76,607

 
56,905

 
$
388,283

 
$
162,370

 
$
838,046

 
$
435,491

Gross Profit:
 
 
 
 
 
 
 
Apex
$
56,934

 
$

 
$
83,917

 
$

Oxford
31,250

 
25,113

 
90,266

 
69,483

Life Sciences
14,002

 
14,163

 
41,649

 
39,025

Healthcare
8,483

 
7,458

 
23,622

 
19,242

Physician
8,370

 
7,794

 
23,587

 
18,726

 
$
119,039

 
$
54,528

 
$
263,041

 
$
146,476

Operating Income:
 
 
 
 
 
 
 
Apex (1)
$
16,563

 
$

 
$
14,594

 
$

Oxford
13,251

 
9,038

 
36,007

 
23,014

Life Sciences
3,020

 
3,026

 
8,291

 
7,378

Healthcare
455

 
(522
)
 
936

 
(3,423
)
Physician
3,207

 
2,194

 
6,269

 
3,961

 
$
36,496

 
$
13,736

 
$
66,097

 
$
30,930

_____
 
 
 
 
 
 
 
 (1) Apex operating income includes acquisition related costs of $0.7 million and $9.4 million for the three and nine months ended September 30, 2012,
respectively.

Schedule of Revenue by Geographical Areas
The Company operates internationally, with operations mainly in the United States, Europe, Canada, Australia and New Zealand. The following table presents revenues by geographic location (in thousands):

 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Revenues:
 
 
 
 
 
 
 
Domestic
$
368,603

 
$
144,756

 
$
780,062

 
$
385,046

Foreign
19,680

 
17,614

 
57,984

 
50,445

 
$
388,283

 
$
162,370

 
$
838,046

 
$
435,491

Reconciliation of Assets from Segment to Consolidated
The Company does not report Life Sciences and Healthcare segments’ total assets separately as the field operations are largely combined. The following table presents total assets as allocated by reportable segment (in thousands):

 
September 30,
2012
 
December 31,
2011
Total Assets:

 

Apex
$
659,150

 
$

Oxford
228,555

 
218,810

   Life Sciences and Healthcare
130,061

 
107,915

Physician
81,169

 
83,940

 
$
1,098,935

 
$
410,665