Business Segments - Performance of reportable segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Net sales	$ 492,218	$ 449,072	$ 1,458,777	$ 1,314,117
Combination, integration and other acquisition-related expenses	(2,107)	(5,786)	(7,992)	(18,259)
Restructuring and related charges	1,423	880	604	(593)
Fair value step up of acquired inventory sold	0	0	0	(801)
Non-operating and administrative expenses	(47,852)	(38,691)	(139,894)	(122,760)
Depreciation of corporate assets and amortization	(15,806)	(15,767)	(45,817)	(46,855)
Operating income	44,609	36,010	105,915	119,720
Other income (expense), net	85	647	(10,520)	19,344
Interest expense, net	(8,389)	(5,637)	(20,228)	(16,725)
Income before taxes and equity in net income of associated companies	36,305	31,020	75,167	122,339
Americas [Member]
Segment Reporting Information [Line Items]
Net sales	254,015	196,807	700,537	562,790
EMEA [Member]
Segment Reporting Information [Line Items]
Net sales	133,552	141,494	423,637	426,694
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	104,651	110,771	334,603	324,633
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	391,124	371,699	1,170,818	1,077,758
Segment operating earnings	108,951	95,374	299,014	308,988
Operating Segments [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	101,094	77,373	287,959	236,359
Segment operating earnings	30,746	20,663	83,622	69,041
Operating Segments [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Net sales	186,546	150,799	513,438	425,343
Segment operating earnings	44,986	31,273	107,991	97,155
Operating Segments [Member] | Americas [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	67,469	46,008	187,099	137,447
Operating Segments [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Net sales	113,367	122,241	362,107	365,491
Segment operating earnings	9,883	20,153	39,932	68,802
Operating Segments [Member] | EMEA [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	20,185	19,253	61,530	61,203
Operating Segments [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	91,211	98,659	295,273	286,924
Segment operating earnings	23,336	23,285	67,469	73,990
Operating Segments [Member] | Asia Pacific [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	13,440	12,112	39,330	37,709
Intersegment Elimination [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	2,300	1,800	6,000	5,900
Intersegment Elimination [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Net sales	2,600	3,600	8,800	9,300
Intersegment Elimination [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Net sales	6,400	6,800	27,700	21,900
Intersegment Elimination [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	$ 300	$ 800	$ 700	$ 1,300