Net Sales and Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Product Information [Line Items]
Net sales	$ 378,561	$ 211,210
America's [Member]
Product Information [Line Items]
Net sales	129,896	72,225
EMEA [Member]
Product Information [Line Items]
Net sales	104,839	52,425
Asia Pacific [Member]
Product Information [Line Items]
Net sales	73,552	46,167
Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	368,381	206,432
Transferred At Point In Time [Member] | America's [Member]
Product Information [Line Items]
Net sales	168,802	101,547
Transferred At Point In Time [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	118,423	56,234
Transferred At Point In Time [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	81,156	48,651
Transferred Over Time [Member]
Product Information [Line Items]
Net sales	10,180	4,778
Transferred Over Time [Member] | America's [Member]
Product Information [Line Items]
Net sales	5,325	2,848
Transferred Over Time [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	3,021	54
Transferred Over Time [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	1,834	1,876
Metals [Member]
Product Information [Line Items]
Net sales	118,150	94,854
Metals [Member] | America's [Member]
Product Information [Line Items]
Net sales	46,673	40,925
Metals [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	29,888	24,716
Metals [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	41,589	29,213
Metalworking and other[Member]
Product Information [Line Items]
Net sales	190,137	75,963
Metalworking and other[Member] | America's [Member]
Product Information [Line Items]
Net sales	83,223	31,300
Metalworking and other[Member] | EMEA [Member]
Product Information [Line Items]
Net sales	74,951	27,709
Metalworking and other[Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	31,963	16,954
Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	70,274	40,393
Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	44,231	32,170
Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	16,605	3,863
Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	9,438	4,360
Total sales with Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	378,561	211,210
Total sales with Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	174,127	104,395
Total sales with Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	121,444	56,288
Total sales with Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	82,990	50,527
Total sales without Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	308,287	170,817
Total sales without Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	129,896	72,225
Total sales without Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	104,839	52,425
Total sales without Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	$ 73,552	$ 46,167