Business Segments - Information of Company's Reportable Segments 1 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total net sales	$ 1,761,158	$ 1,417,677	$ 1,133,503
Total segment operating earnings	397,022	333,588	251,704
Segment assets	2,955,760	2,891,834	2,850,316
Long-Lived Assets	360,392	369,970	390,628
Capital Expenditures	21,457	17,901	15,545
Depreciation	26,649	27,351	17,766
Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	320,229	269,030	207,973
Total segment operating earnings	90,632	79,690	58,881
Segment assets	506,610	511,458	550,055
Long-Lived Assets	37,951	59,091	69,184
Capital Expenditures	2,748	1,918	2,021
Depreciation	3,043	3,544	2,248
Americas [Member]
Segment Reporting Information [Line Items]
Total net sales	572,643	450,161	392,121
Total segment operating earnings	124,863	96,379	78,297
Segment assets	983,521	969,551	926,122
Long-Lived Assets	129,321	122,302	139,170
Capital Expenditures	9,678	6,451	6,404
Depreciation	12,074	12,322	7,500
EMEA [Member]
Segment Reporting Information [Line Items]
Total net sales	480,126	383,187	285,570
Total segment operating earnings	85,209	69,163	47,014
Segment assets	714,659	697,821	688,663
Long-Lived Assets	69,990	69,344	56,108
Capital Expenditures	6,767	3,844	3,263
Depreciation	6,936	6,813	4,560
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total net sales	388,160	315,299	247,839
Total segment operating earnings	96,318	88,356	67,512
Segment assets	750,970	713,004	685,476
Long-Lived Assets	123,130	119,233	126,166
Capital Expenditures	2,264	5,688	3,857
Depreciation	4,596	4,672	3,458
Non Domestic [Member]
Segment Reporting Information [Line Items]
Total net sales	1,198,400	963,200	719,800
Long-Lived Assets	155,200	176,600	174,400
Intersegment Elimination [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	7,400	4,700	5,400
Intersegment Elimination [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Total net sales	12,200	9,100	7,300
Intersegment Elimination [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Total net sales	29,000	22,000	20,300
Intersegment Elimination [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total net sales	1,600	600	200
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total net sales	1,761,158	1,417,677	1,133,503
Operating Segments [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	320,229	269,030	207,973
Operating Segments [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Total net sales	759,502	604,957	541,549
Operating Segments [Member] | Americas [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	186,859	154,796	149,428
Operating Segments [Member] | EMEA [Member]
Segment Reporting Information [Line Items]
Total net sales	560,667	451,351	315,685
Operating Segments [Member] | EMEA [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	80,541	68,164	30,115
Operating Segments [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total net sales	440,989	361,369	276,269
Operating Segments [Member] | Asia Pacific [Member] | Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Total net sales	$ 52,829	$ 46,070	$ 28,430