Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Income Statement [Abstract]
Net sales	$ 108,419	$ 107,321	$ 155,154	$ 142,264
Costs of goods sold	58,201	58,743	84,589	80,484
Gross profit	50,218	48,578	70,565	61,780
Selling, general and administrative expenses	28,324	27,324	45,700	41,838
Operating income	21,894	21,254	24,865	19,942
Unrealized gain on investment in trust account	(597)	(325)	(812)	(624)
Pension expense	107	161	214	322
Interest expense	322	1,083	530	1,795
Income before income taxes	22,062	20,335	24,933	18,449
Income tax expense	5,229	4,801	5,960	4,357
Net income	$ 16,833	$ 15,534	$ 18,973	$ 14,092
Cash dividends declared per common share (usd per share)	$ 0.02	$ 0	$ 0.04	$ 0
Net income per common share:
Basic (usd per share)	1.04	0.95	1.16	0.87
Diluted (usd per share)	$ 1.04	$ 0.95	$ 1.16	$ 0.87
Weighted average shares of common stock outstanding:
Basic (shares)	16,214	16,272	16,305	16,242
Diluted (shares)	16,215	16,294	16,305	16,257