Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2017

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, 2014		$	—	$	—	$	—	$	—	$	—
	Restructuring charges		2,025		4,390		338		37		6,790
	Cash payments		(158)		(130)		(202)		—		(490)
	Currency translation adjustments		—		5		(1)		(1)		3
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		$	—	$	—	$	—	$	—	$	—