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Goodwill and Identifiable Assets (Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Gross goodwill	$ 617,875	$ 350,951
Accumulated impairment loss	(121,717)	(121,717)
Goodwill	496,158	229,234
Goodwill, Acquired During Period		264,590
Acquisition accounting	0	1,805	0
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
Translation adjustment	811	529
Gross goodwill	574,948	617,875	350,951
Accumulated impairment loss	0	(121,717)	(121,717)
Goodwill	574,948	496,158	229,234
Goodwill	574,948	496,158	229,234
Whitaker [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	7,452
CyberCoders [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	70,527
Apex
Goodwill [Roll Forward]
Gross goodwill	264,590	0
Accumulated impairment loss	0	0
Goodwill	264,590	0
Goodwill, Acquired During Period		264,590
Translation adjustment	0	0
Gross goodwill	264,590	264,590
Accumulated impairment loss	0	0
Goodwill	264,590	264,590
Goodwill	264,590	264,590
Oxford
Goodwill [Roll Forward]
Gross goodwill	149,483	149,483
Accumulated impairment loss	0	0
Goodwill	149,483	149,483
Goodwill, Other Changes	513
Translation adjustment	0	0
Gross goodwill	220,523	149,483
Accumulated impairment loss	0	0
Goodwill	220,523	149,483
Goodwill	220,523	149,483
Oxford | CyberCoders [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	70,527
Life Sciences
Goodwill [Roll Forward]
Gross goodwill	30,011	27,668
Accumulated impairment loss	0	0
Goodwill	30,011	27,668
Goodwill, Acquired During Period		0
Acquisition accounting		1,814
Translation adjustment	811	529
Gross goodwill	30,822	30,011
Accumulated impairment loss	0	0
Goodwill	30,822	30,011
Goodwill	30,822	30,011
Healthcare
Goodwill [Roll Forward]
Gross goodwill	122,230	122,230
Accumulated impairment loss	(121,717)	(121,717)
Goodwill	513	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
Gross goodwill	0	122,230
Accumulated impairment loss	0	(121,717)
Goodwill	0	513
Goodwill	0	513
Physician
Goodwill [Roll Forward]
Gross goodwill	51,561	51,570
Accumulated impairment loss	0	0
Goodwill	51,561	51,570
Translation adjustment	0	0
Gross goodwill	59,013	51,561
Accumulated impairment loss	0	0
Goodwill	59,013	51,561
Goodwill	59,013	51,561
Physician | HCP
Goodwill [Roll Forward]
Acquisition accounting		(9)
Physician | Whitaker [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	$ 7,452

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Write-off of the carrying amount of accumulated impairment loss associated with all or a portion of a reporting unit that is sold in the period.

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The accumulated impairment losses related to goodwill as of the balance sheet date.

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