Acquisitions (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Business Acquisition [Line Items]
Beginning Liability	$ 3,797
Additions (Payments)	3,325
Change in Fair Value of Contingent Consideration	(1,513)
Foreign Currency Translation	(424)
Ending Liability	5,185
Bath Consulting [Member]
Business Acquisition [Line Items]
Beginning Liability	997
Additions (Payments)	(1,005)
Change in Fair Value of Contingent Consideration	0
Foreign Currency Translation	8
Ending Liability	0
Prospero [Member]
Business Acquisition [Line Items]
Beginning Liability	1,841
Additions (Payments)	0
Change in Fair Value of Contingent Consideration	(1,796)
Foreign Currency Translation	(45)
Ending Liability	0
Lorien [Member]
Business Acquisition [Line Items]
Beginning Liability	959
Additions (Payments)	(1,015)
Change in Fair Value of Contingent Consideration	31
Foreign Currency Translation	25
Ending Liability	0
Effective Companies [Member]
Business Acquisition [Line Items]
Beginning Liability	0
Additions (Payments)	5,345
Change in Fair Value of Contingent Consideration	252
Foreign Currency Translation	(412)
Ending Liability	$ 5,185