Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring And Related Activities [Abstract]

Restructuring and Related Costs [Table Text Block]

		North						South
		America		EMEA		Asia/Pacific		America		Total
Accrued restructuring as of
December 31, 2015		$	1,867	$	4,265	$	135	$	36	$	6,303
	Restructuring credits		—		(439)		—		—		(439)
	Cash payments		(1,671)		(3,404)		(138)		(39)		(5,252)
	Currency translation adjustments		—		52		3		3		58
Accrued restructuring as of
December 31, 2016			196		474		—		—		670
	Restructuring charges and adjustments		(126)		126		—		—		—
	Cash payments		(70)		(605)		—		—		(675)
	Currency translation adjustments		—		5		—		—		5
Accrued restructuring as of
December 31, 2017		$	—	$	—	$	—	$	—	$	—