Restructuring Charges (Details 1) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 6,539
Restructuring Charges	621
Payments for Restructuring	5,340
Restructuring Reserve, Translation Adjustment	146
Restructuring Reserve, Accrual Adjustment	(22)
Restructuring Reserve	1,944
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,505
Restructuring Charges	25
Payments for Restructuring	2,479
Restructuring Reserve, Translation Adjustment	89
Restructuring Reserve, Accrual Adjustment	150
Restructuring Reserve	290
government incentive repayment [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	1,884
Restructuring Charges	0
Payments for Restructuring	1,769
Restructuring Reserve, Translation Adjustment	57
Restructuring Reserve, Accrual Adjustment	(172)
Restructuring Reserve	0
Special Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	1,845
Restructuring Charges	0
Payments for Restructuring	278
Restructuring Reserve, Translation Adjustment	0
Restructuring Reserve, Accrual Adjustment	0
Restructuring Reserve	1,567
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	305
Restructuring Charges	168
Payments for Restructuring	386
Restructuring Reserve, Translation Adjustment	0
Restructuring Reserve, Accrual Adjustment	0
Restructuring Reserve	87
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring Charges	428
Payments for Restructuring	428
Restructuring Reserve, Translation Adjustment	0
Restructuring Reserve, Accrual Adjustment	0
Restructuring Reserve	$ 0