CONSOLIDATED STATEMENTS OF INCOME/(LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Net revenues	$ 261,434	$ 298,386	$ 861,607	$ 943,710
Cost of goods sold	311,372	208,002	717,552	632,257
Gross profit/(loss)	(49,938)	90,384	144,055	311,453
Selling, general, and administrative expenses	51,905	52,097	164,219	162,447
Technical and research expenses	11,467	10,844	35,915	35,369
Restructuring expenses, net	3,197	2,272	9,895	6,584
Operating income/(loss)	(116,507)	25,171	(65,974)	107,053
Interest expense/(income), net	5,897	2,411	14,702	8,680
Other expense/(income), net	(347)	3,257	4,170	5,932
Income (loss) before income taxes	(122,057)	19,503	(84,846)	92,441
Income tax expense/(benefit)	(24,419)	1,282	(13,889)	22,131
Net income/(loss)	(97,638)	18,221	(70,957)	70,310
Net income/(loss) attributable to the noncontrolling interest	122	192	265	366
Net income/(loss) attributable to the Company	$ (97,760)	$ 18,029	$ (71,222)	$ 69,944
Earnings per share attributable to Company shareholders - Basic (in dollars per share)	$ (3.37)	$ 0.58	$ (2.38)	$ 2.24
Earnings per share attributable to Company shareholders - Diluted (in dollars per share)	$ (3.37)	$ 0.57	$ (2.38)	$ 2.23
Shares of the Company used in computing earnings per share:
Basic (in shares)	29,012	31,251	29,914	31,234
Diluted (in shares)	29,012	31,367	29,914	31,333
Dividends declared per Class A share (in dollars per share)	$ 0.27	$ 0.26	$ 0.81	$ 0.78