Net Sales and Revenue Recognition - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Product Information [Line Items]
Net sales	$ 492,388	$ 435,262	$ 966,559	$ 865,045
Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	471,947	416,329	925,059	825,484
Services transferred over time [Member]
Product Information [Line Items]
Net sales	20,441	18,933	41,500	39,561
Americas [Member]
Product Information [Line Items]
Net sales	235,114	185,856	446,522	365,983
Americas [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	225,135	177,227	426,419	348,821
Americas [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	9,979	8,629	20,103	17,162
EMEA [Member]
Product Information [Line Items]
Net sales	144,377	145,114	290,085	285,200
EMEA [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	136,622	137,838	273,825	269,000
EMEA [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	7,755	7,276	16,260	16,200
Asia Pacific [Member]
Product Information [Line Items]
Net sales	112,897	104,292	229,952	213,862
Asia Pacific [Member] | Product sales at a point in time [Member]
Product Information [Line Items]
Net sales	110,190	101,264	224,815	207,663
Asia Pacific [Member] | Services transferred over time [Member]
Product Information [Line Items]
Net sales	2,707	3,028	5,137	6,199
Operating Segments [Member]
Product Information [Line Items]
Net sales	395,628	354,668	779,693	706,059
Operating Segments [Member] | Metals [Member]
Product Information [Line Items]
Net sales	156,555	135,640	304,841	266,450
Operating Segments [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	239,073	219,028	474,852	439,609
Operating Segments [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	96,760	80,594	186,866	158,986
Operating Segments [Member] | Americas [Member]
Product Information [Line Items]
Net sales	172,747	139,673	326,891	274,544
Operating Segments [Member] | Americas [Member] | Metals [Member]
Product Information [Line Items]
Net sales	63,373	51,799	119,533	98,592
Operating Segments [Member] | Americas [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	109,374	87,874	207,358	175,952
Operating Segments [Member] | Americas [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	62,367	46,183	119,631	91,439
Operating Segments [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	123,053	123,436	248,740	243,250
Operating Segments [Member] | EMEA [Member] | Metals [Member]
Product Information [Line Items]
Net sales	37,586	35,634	74,425	69,908
Operating Segments [Member] | EMEA [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	85,467	87,802	174,315	173,342
Operating Segments [Member] | EMEA [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	21,324	21,678	41,345	41,950
Operating Segments [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	99,828	91,559	204,062	188,265
Operating Segments [Member] | Asia Pacific [Member] | Metals [Member]
Product Information [Line Items]
Net sales	55,596	48,207	110,883	97,950
Operating Segments [Member] | Asia Pacific [Member] | Metalworking and other [Member]
Product Information [Line Items]
Net sales	44,232	43,352	93,179	90,315
Operating Segments [Member] | Asia Pacific [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	$ 13,069	$ 12,733	$ 25,890	$ 25,597