Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 942,358	$ 799,023	$ 703,644
Cost of sales	661,907	555,849	479,747
Gross margin	280,451	243,174	223,897
Operating expenses:
Selling expenses	67,409	60,413	58,630
Research and development expenses	12,191	13,524	10,332
General and administrative expenses	55,665	41,735	43,788
Total operating expenses	135,265	115,672	112,750
Earnings from operations	145,186	127,502	111,147
Other expenses:
Interest expense, net	10,268	2,456	4,439
Other, net	1,169	(187)	291
Total other expenses	11,437	2,269	4,730
Earnings before income tax expense	133,749	125,233	106,417
Income tax expense	28,382	29,129	21,794
Net earnings	$ 105,367	$ 96,104	$ 84,623
Basic net earnings per common share (in dollars per share)	$ 3.29	$ 2.98	$ 2.63
Diluted net earnings per common share (in dollars per share)	$ 3.25	$ 2.94	$ 2.60