Business Segments (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting Measurement Disclosures [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Three Months Ended
		March 31,
		2019		2018
Net sales
	North America	$	95,253	$	91,820
	EMEA		56,288		62,055
	Asia/Pacific		50,527		48,777
	South America		9,142		9,403
Total net sales		$	211,210	$	212,055
Operating earnings, excluding indirect operating expenses
	North America	$	20,872	$	20,365
	EMEA		8,782		10,293
	Asia/Pacific		13,082		12,142
	South America		1,197		635
Total operating earnings, excluding indirect operating expenses			43,933		43,435
Combination-related expenses			(4,483)		(5,209)
Non-operating charges			(17,733)		(16,039)
Depreciation of corporate assets and amortization			(1,888)		(1,956)
Operating income			19,829		20,231
Other expense, net			(635)		(369)
Interest expense			(1,214)		(1,692)
Interest income			438		489
Income before taxes and equity in net income (loss) of associated companies		$	18,418	$	18,659