Net Sales and Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Product Information [Line Items]
Net sales	$ 435,262	$ 286,040	$ 865,045	$ 664,601
Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	416,329	274,834	825,484	643,215
Transferred Over Time [Member]
Product Information [Line Items]
Net sales	18,933	11,206	39,561	21,386
Americas [Member]
Product Information [Line Items]
Net sales	185,856	112,870	365,983	286,997
Americas [Member] | Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	177,227	108,644	348,821	277,446
Americas [Member] | Transferred Over Time [Member]
Product Information [Line Items]
Net sales	8,629	4,226	17,162	9,551
EMEA [Member]
Product Information [Line Items]
Net sales	145,114	93,271	285,200	214,715
EMEA [Member] | Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	137,838	87,995	269,000	206,418
EMEA [Member] | Transferred Over Time [Member]
Product Information [Line Items]
Net sales	7,276	5,276	16,200	8,297
Asia Pacific [Member]
Product Information [Line Items]
Net sales	104,292	79,899	213,862	162,889
Asia Pacific [Member] | Transferred At Point In Time [Member]
Product Information [Line Items]
Net sales	101,264	78,195	207,663	159,351
Asia Pacific [Member] | Transferred Over Time [Member]
Product Information [Line Items]
Net sales	3,028	1,704	6,199	3,538
Operating Segments [Member]
Product Information [Line Items]
Net sales	354,668	226,699	706,059	534,986
Operating Segments [Member] | Metals [Member]
Product Information [Line Items]
Net sales	135,640	93,027	266,450	211,177
Operating Segments [Member] | Metalworking [Member]
Product Information [Line Items]
Net sales	219,028	133,672	439,609	323,809
Operating Segments [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	80,594	59,341	158,986	129,615
Operating Segments [Member] | Americas [Member]
Product Information [Line Items]
Net sales	139,673	80,576	274,544	210,472
Operating Segments [Member] | Americas [Member] | Metals [Member]
Product Information [Line Items]
Net sales	51,799	32,687	98,592	79,360
Operating Segments [Member] | Americas [Member] | Metalworking [Member]
Product Information [Line Items]
Net sales	87,874	47,889	175,952	131,112
Operating Segments [Member] | Americas [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	46,183	32,294	91,439	76,525
Operating Segments [Member] | EMEA [Member]
Product Information [Line Items]
Net sales	123,436	77,702	243,250	182,541
Operating Segments [Member] | EMEA [Member] | Metals [Member]
Product Information [Line Items]
Net sales	35,634	24,924	69,908	54,812
Operating Segments [Member] | EMEA [Member] | Metalworking [Member]
Product Information [Line Items]
Net sales	87,802	52,778	173,342	127,729
Operating Segments [Member] | EMEA [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	21,678	15,569	41,950	32,174
Operating Segments [Member] | Asia Pacific [Member]
Product Information [Line Items]
Net sales	91,559	68,421	188,265	141,973
Operating Segments [Member] | Asia Pacific [Member] | Metals [Member]
Product Information [Line Items]
Net sales	48,207	35,416	97,950	77,005
Operating Segments [Member] | Asia Pacific [Member] | Metalworking [Member]
Product Information [Line Items]
Net sales	43,352	33,005	90,315	64,968
Operating Segments [Member] | Asia Pacific [Member] | Global Specialty Businesses [Member]
Product Information [Line Items]
Net sales	$ 12,733	$ 11,478	$ 25,597	$ 20,916