Net Sales and Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Disaggregation Of Revenue [Abstract]

Disaggregation Of Revenue [Table Text Block]

	Three Months Ended March 31, 2020
							Consolidated
	Americas		EMEA		Asia/Pacific		Total
Customer Industries
Metals	$	46,673	$	29,888	$	41,589	$	118,150
Metalworking and other		83,223		74,951		31,963		190,137
		129,896		104,839		73,552		308,287
Global Specialty Businesses		44,231		16,605		9,438		70,274
	$	174,127	$	121,444	$	82,990	$	378,561
Timing of Revenue Recognized
Product sales at a point in time	$	168,802	$	118,423	$	81,156	$	368,381
Services transferred over time		5,325		3,021		1,834		10,180
	$	174,127	$	121,444	$	82,990	$	378,561

	Three Months Ended March 31, 2019
							Consolidated
	Americas		EMEA		Asia/Pacific		Total
Customer Industries
Metals	$	40,925	$	24,716	$	29,213	$	94,854
Metalworking and other		31,300		27,709		16,954		75,963
		72,225		52,425		46,167		170,817
Global Specialty Businesses		32,170		3,863		4,360		40,393
	$	104,395	$	56,288	$	50,527	$	211,210
Timing of Revenue Recognized
Product sales at a point in time	$	101,547	$	56,234	$	48,651	$	206,432
Services transferred over time		2,848		54		1,876		4,778
	$	104,395	$	56,288	$	50,527	$	211,210