Net Sales and Revenue Recognition - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Product Information [Line Items]
Net sales	$ 474,171	$ 429,783
Americas [Member]
Product Information [Line Items]
Net sales	154,144	134,871
EMEA [Member]
Product Information [Line Items]
Net sales	125,687	119,814
Asia Pacific [Member]
Product Information [Line Items]
Net sales	104,234	96,706
Operating Segments [Member]
Product Information [Line Items]
Net sales	474,171	429,783
Operating Segments [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	453,112	409,155
Operating Segments [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	21,059	20,628
Operating Segments [Member] | Product [Member]
Product Information [Line Items]
Net sales	384,065	351,391
Operating Segments [Member] | Metals [Member]
Product Information [Line Items]
Net sales	148,286	130,810
Operating Segments [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	235,779	220,581
Operating Segments [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	90,106	78,392
Operating Segments [Member] | Americas [Member]
Product Information [Line Items]
Net sales	211,408	180,127
Operating Segments [Member] | Americas [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	201,284	171,594
Operating Segments [Member] | Americas [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	10,124	8,533
Operating Segments [Member] | Americas [Member] | Product [Member]
Product Information [Line Items]
Net sales	154,144	134,871
Operating Segments [Member] | Americas [Member] | Metals [Member]
Product Information [Line Items]
Net sales	56,160	46,793
Operating Segments [Member] | Americas [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	97,984	88,078
Operating Segments [Member] | Americas [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	57,264	45,256
Operating Segments [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	145,708	140,086
Operating Segments [Member] | EMEA [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	137,203	131,162
Operating Segments [Member] | EMEA [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	8,505	8,924
Operating Segments [Member] | EMEA [Member] | Product [Member]
Product Information [Line Items]
Net sales	125,687	119,814
Operating Segments [Member] | EMEA [Member] | Metals [Member]
Product Information [Line Items]
Net sales	36,839	34,274
Operating Segments [Member] | EMEA [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	88,848	85,540
Operating Segments [Member] | EMEA [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	20,021	20,272
Operating Segments [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	117,055	109,570
Operating Segments [Member] | Asia Pacific [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	114,625	106,399
Operating Segments [Member] | Asia Pacific [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	2,430	3,171
Operating Segments [Member] | Asia Pacific [Member] | Product [Member]
Product Information [Line Items]
Net sales	104,234	96,706
Operating Segments [Member] | Asia Pacific [Member] | Metals [Member]
Product Information [Line Items]
Net sales	55,287	49,743
Operating Segments [Member] | Asia Pacific [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	48,947	46,963
Operating Segments [Member] | Asia Pacific [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	$ 12,821	$ 12,864