Restructuring and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 74	$ 0	$ 8,081	$ 768
Restructuring reserves
Restructuring Reserves, Beginning Balance			5,246
Additions			9,207
Cash Payments			5,085
Restructuring Reserve, Accrual Adjustment			1,672
Foreign Translation Adjustments			176
Restructuring Reserves, Ending Balance	7,872		7,872
Employee severance and benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	74	0	7,216	393
Restructuring reserves
Restructuring Reserves, Beginning Balance			2,607
Additions			8,276
Cash Payments			4,424
Restructuring Reserve, Accrual Adjustment			1,060
Foreign Translation Adjustments			79
Restructuring Reserves, Ending Balance	5,478		5,478
Contract termination costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	0	0	865	375
Restructuring reserves
Restructuring Reserves, Beginning Balance			2,639
Additions			931
Cash Payments			661
Restructuring Reserve, Accrual Adjustment			612
Foreign Translation Adjustments			97
Restructuring Reserves, Ending Balance	$ 2,394		$ 2,394