Restructuring, Impairment and Other Charges (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 717	$ 4,485	$ 2,440	$ 16,286
Other Restructuring Costs	374	1,033	44	1,254
Impairment of assets	6,701	2,962	6,701	2,962
Restructuring and Other Charges (Textuals)
Non routine expenses net			1,267	10,479
Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	377		2,100
EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(34)	3,452	296	15,032
Expected Future Costs to Be Recognized in 2012 [Member] | Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges			1,200
Expected Future Costs to Be Recognized in 2012 [Member] | EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges			2,600
Expected Future Costs to Be Recognized Beyond 2012 [Member] | Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges			8,300
Expected Future Costs to Be Recognized Beyond 2012 [Member] | EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges			400
Cost Of Sales Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ (196)	$ 2,555	$ (865)	$ 8,629