CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net sales	$ 243,847	$ 248,266
Cost of sales	164,146	162,872
Gross margin	79,701	85,394
Selling, general and administrative expenses	60,085	57,705
Research and development expenses	9,586	8,260
Restructuring and impairment charges	10,501	69
Other operating (income) expense, net	(219)	(531)
Operating income (loss)	(252)	19,891
Equity income in unconsolidated joint ventures	76	1,275
Other income (expense), net	5	267
Interest expense, net	(3,462)	(1,069)
Income (loss) before income taxes	(3,633)	20,364
Income tax expense (benefit)	(128)	3,764
Net income (loss)	$ (3,505)	$ 16,600
Basic earnings per share (in dollars per share)	$ (0.19)	$ 0.88
Diluted earnings per share (in dollars per share)	$ (0.19)	$ 0.87
Shares used in computing:
Basic earnings per share (in shares)	18,604	18,780
Diluted earnings per share (in shares)	18,604	18,999