Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Gross Balance	$ 108,041
Accumulated Impairment Losses	(44,249)	$ (62,247)
Additions	0
Translation	(269)
Gross Balance	89,774
Accumulated Impairment Losses	(44,249)	(62,247)
Engineering Solutions [Member]
Goodwill [Roll Forward]
Gross Balance	35,713
Accumulated Impairment Losses	(21,431)	(21,431)
Additions	0
Translation	0
Gross Balance	35,713
Accumulated Impairment Losses	(21,431)	(21,431)
Specialty Talent and Technology [Member]
Goodwill [Roll Forward]
Gross Balance	16,445
Accumulated Impairment Losses	0	0
Additions	0
Translation	0
Gross Balance	16,445
Accumulated Impairment Losses	0	0
Enterprise Talent Solutions [Member]
Goodwill [Roll Forward]
Gross Balance	40,134
Accumulated Impairment Losses	(17,267)	(34,511)
Additions	0
Translation	0
Gross Balance	22,890
Accumulated Impairment Losses	(17,267)	(34,511)
MRI [Member]
Goodwill [Roll Forward]
Gross Balance	15,749
Accumulated Impairment Losses	(5,551)	(6,305)
Additions	0
Translation	(269)
Gross Balance	14,726
Accumulated Impairment Losses	$ (5,551)	$ (6,305)

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount before 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

+ Details

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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments 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
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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