Net Sales and Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Product Information [Line Items]
Net sales	$ 429,783	$ 378,561
America's [Member]
Product Information [Line Items]
Net sales	134,871	129,896
EMEA [Member]
Product Information [Line Items]
Net sales	119,814	104,839
Asia Pacific [Member]
Product Information [Line Items]
Net sales	96,706	73,552
Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	409,155	368,381
Transferred At Point In Time [Member] | America's [Member]
Product Information [Line Items]
Net sales	171,594	168,802
Transferred At Point In Time [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	131,162	118,423
Transferred At Point In Time [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	106,399	81,156
Transferred Over Time [Member]
Product Information [Line Items]
Net sales	20,628	10,180
Transferred Over Time [Member] | America's [Member]
Product Information [Line Items]
Net sales	8,533	5,325
Transferred Over Time [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	8,924	3,021
Transferred Over Time [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	3,171	1,834
Metals [Member]
Product Information [Line Items]
Net sales	130,810	118,150
Metals [Member] | America's [Member]
Product Information [Line Items]
Net sales	46,793	46,673
Metals [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	34,274	29,888
Metals [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	49,743	41,589
Metalworking And Other[Member]
Product Information [Line Items]
Net sales	220,581	190,137
Metalworking And Other[Member] | America's [Member]
Product Information [Line Items]
Net sales	88,078	83,223
Metalworking And Other[Member] | EMEA [Member]
Product Information [Line Items]
Net sales	85,540	74,951
Metalworking And Other[Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	46,963	31,963
Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	78,392	70,274
Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	45,256	44,231
Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	20,272	16,605
Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	12,864	9,438
Total Sales With Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	429,783	378,561
Total Sales With Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	180,127	174,127
Total Sales With Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	140,086	121,444
Total Sales With Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	109,570	82,990
Total Sales Without Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	351,391	308,287
Total Sales Without Global Specialty Businesses [Member] | America's [Member]
Product Information [Line Items]
Net sales	134,871	129,896
Total Sales Without Global Specialty Businesses [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	119,814	104,839
Total Sales Without Global Specialty Businesses [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	$ 96,706	$ 73,552