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Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2013
Segment Reporting [Abstract] |
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 |

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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