Net Sales and Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2018

Disaggregation Of Revenue [Abstract]

Disaggregation Of Revenue [Table Text Block]

	Three Months Ended September 30, 2018
	North						South		Consolidated
	America		EMEA		Asia/Pacific		America		Total
Net sales	$	101,706	$	55,498	$	55,757	$	9,061	$	222,022
Customer Industries
Primary metals	$	40,448	$	24,188	$	35,108	$	4,781	$	104,525
Metalworking		45,189		27,986		19,585		3,768		96,528
Coatings and other		16,069		3,324		1,064		512		20,969
	$	101,706	$	55,498	$	55,757	$	9,061	$	222,022
Timing of Revenue Recognized
Product sales at a point in time	$	98,965	$	55,437	$	53,998	$	8,992	$	217,392
Services transferred over time		2,741		61		1,759		69		4,630
	$	101,706	$	55,498	$	55,757	$	9,061	$	222,022

	Nine Months Ended September 30, 2018
	North						South		Consolidated
	America		EMEA		Asia/Pacific		America		Total
Net sales	$	290,918	$	177,719	$	159,882	$	27,520	$	656,039
Customer Industries
Primary metals	$	117,174	$	77,692	$	101,026	$	15,115	$	311,007
Metalworking		128,709		88,909		56,486		11,416		285,520
Coatings and other		45,035		11,118		2,370		989		59,512
	$	290,918	$	177,719	$	159,882	$	27,520	$	656,039
Timing of Revenue Recognized
Product sales at a point in time	$	282,513	$	177,546	$	153,863	$	27,298	$	641,220
Services transferred over time		8,405		173		6,019		222		14,819
	$	290,918	$	177,719	$	159,882	$	27,520	$	656,039