Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net revenues	$ 281,106	$ 260,563	$ 824,325	$ 766,101
Cost of goods sold	179,271	160,070	520,468	473,411
Gross profit	101,835	100,493	303,857	292,690
Selling, general, and administrative expenses	51,975	36,873	147,214	119,325
Technical and research expenses	9,708	9,934	30,303	29,984
Restructuring expenses, net	82	42	227	268
Operating income	40,070	53,644	126,113	143,113
Interest expense/(income), net	3,653	3,794	10,049	11,336
Pension settlement expense	0	49,128	0	49,128
Other (income)/expense, net	56	(6,918)	(4,910)	(17,891)
Income before income taxes	36,361	7,640	120,974	100,540
Income tax expense/(benefit)	9,207	(3,183)	39,908	22,273
Net income	27,154	10,823	81,066	78,267
Net income attributable to the noncontrolling interest	45	129	396	635
Net income attributable to the Company	$ 27,109	$ 10,694	$ 80,670	$ 77,632
Earnings per share attributable to Company shareholders - Basic (in dollars per share)	$ 0.87	$ 0.34	$ 2.59	$ 2.47
Earnings per share attributable to Company shareholders - Diluted (in dollars per share)	$ 0.87	$ 0.34	$ 2.58	$ 2.46
Shares of the Company used in computing earnings per share:
Basic (in shares)	31,185	31,111	31,163	31,416
Diluted (in shares)	31,283	31,223	31,256	31,518
Dividends declared per Class A share (in dollars per share)	$ 0.25	$ 0.21	$ 0.75	$ 0.63