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Goodwill and Identifiable Assets (Goodwill) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Goodwill [Roll Forward] |  |  |
Gross goodwill | $ 574,951 | $ 574,948 | $ 617,875
Accumulated impairment loss | 0 | 0 | (121,717)
Goodwill | 574,951 | 574,948 | 496,158
Goodwill, Written off Related to Sale of Business Unit |  | (121,717) |
Write-off of accum impairment loss related to sale of business unit |  | 121,717 |
Goodwill, Purchase Accounting Adjustments | 21 |  |
Translation adjustment | (18) | 811 |
Apex |  |  |
Goodwill [Roll Forward] |  |  |
Gross goodwill | 289,712 | 289,712 | 289,712
Accumulated impairment loss | 0 | 0 | 0
Goodwill | 289,712 | 289,712 | 289,712
Translation adjustment | 0 | 0 |
Oxford |  |  |
Goodwill [Roll Forward] |  |  |
Gross goodwill | 221,916 | 221,659 | 150,619
Accumulated impairment loss | 0 | 0 | 0
Goodwill | 221,916 | 221,659 | 150,619
Goodwill, Other Changes |  | 513 |
Translation adjustment | 0 | 0 |
Physician |  |  |
Goodwill [Roll Forward] |  |  |
Gross goodwill | 58,777 | 59,013 | 51,561
Accumulated impairment loss | 0 | 0 | 0
Goodwill | 58,777 | 59,013 | 51,561
Translation adjustment | 0 | 0 |
Life Sciences Europe |  |  |
Goodwill [Roll Forward] |  |  |
Gross goodwill | 4,546 | 4,564 | 3,753
Accumulated impairment loss | 0 | 0 | 0
Goodwill | 4,546 | 4,564 | 3,753
Translation adjustment | (18) | 811 |
Healthcare Segment |  |  |
Goodwill [Roll Forward] |  |  |
Gross goodwill | 0 | 0 | 122,230
Accumulated impairment loss | 0 | 0 | (121,717)
Goodwill | 0 | 0 | 513
Goodwill, Written off Related to Sale of Business Unit |  | (121,717) |
Write-off of accum impairment loss related to sale of business unit |  | 121,717 |
Goodwill, Other Changes |  | (513) |
Translation adjustment | 0 | 0 |
CyberCoders [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Acquisition |  | 70,527 |
CyberCoders [Member] | Oxford |  |  |
Goodwill [Roll Forward] |  |  |
Acquisition |  | 70,527 |
Goodwill, Purchase Accounting Adjustments | 257 |  |
Whitaker [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Acquisition |  | 7,452 |
Whitaker [Member] | Physician |  |  |
Goodwill [Roll Forward] |  |  |
Acquisition |  | 7,452 |
Goodwill, Purchase Accounting Adjustments | $ (236) |  |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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