Restructuring and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Restructuring reserves
Restructuring Reserves, Beginning Balance	$ 5,246
Additions	865
Cash Payments	1,139
Foreign Translation Adjustments	(23)
Restructuring Reserves, Ending Balance	4,949
Employee severance and benefits [Member]
Restructuring reserves
Restructuring Reserves, Beginning Balance	2,607
Additions	0
Cash Payments	755
Foreign Translation Adjustments	74
Restructuring Reserves, Ending Balance	1,926
Contract termination costs [Member]
Restructuring reserves
Restructuring Reserves, Beginning Balance	2,639
Additions	865
Cash Payments	384
Foreign Translation Adjustments	(97)
Restructuring Reserves, Ending Balance	$ 3,023