Restructuring Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Reserve [Roll Forward]
Accrued Restructuring, Beginning Balance	$ 0	$ 670	$ 6,303
Restructuring and related activities	0	0	(439)
Cash Payments		(675)	(5,252)
Currency Translation Adjustments		5	58
Accrued Restructuring, Ending Balance		0	670
North America [Member]
Restructuring Reserve [Roll Forward]
Accrued Restructuring, Beginning Balance	0	196	1,867
Restructuring and related activities		(126)	0
Cash Payments		(70)	(1,671)
Currency Translation Adjustments		0	0
Accrued Restructuring, Ending Balance		0	196
EMEA [Member]
Restructuring Reserve [Roll Forward]
Accrued Restructuring, Beginning Balance	0	474	4,265
Restructuring and related activities		126	(439)
Cash Payments		(605)	(3,404)
Currency Translation Adjustments		5	52
Accrued Restructuring, Ending Balance		0	474
Asia Pacific [Member]
Restructuring Reserve [Roll Forward]
Accrued Restructuring, Beginning Balance	0	0	135
Restructuring and related activities		0	0
Cash Payments		0	(138)
Currency Translation Adjustments		0	3
Accrued Restructuring, Ending Balance		0	0
South America [Member]
Restructuring Reserve [Roll Forward]
Accrued Restructuring, Beginning Balance	$ 0	0	36
Restructuring and related activities		0	0
Cash Payments		0	(39)
Currency Translation Adjustments		0	3
Accrued Restructuring, Ending Balance		$ 0	$ 0