Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Income Statement [Abstract]
Net sales	$ 92,086	$ 108,419	$ 125,840	$ 155,154
Costs of goods sold	51,212	58,201	68,946	84,589
Gross profit	40,874	50,218	56,894	70,565
Selling, general and administrative expenses	25,503	28,324	41,617	45,700
Operating income	15,371	21,894	15,277	24,865
Unrealized loss (gain) on investment in trust account	968	(597)	(207)	(812)
Pension expense	27	107	54	214
Interest expense, net	205	322	265	530
Income before income taxes	14,171	22,062	15,165	24,933
Income tax expense	3,985	5,229	4,247	5,960
Net income	$ 10,186	$ 16,833	$ 10,918	$ 18,973
Cash dividends declared per common share (usd per share)	$ 0.025	$ 0.020	$ 0.050	$ 0.040
Net income per common share:
Basic (usd per share)	0.65	1.04	0.69	1.16
Diluted (usd per share)	$ 0.65	$ 1.04	$ 0.69	$ 1.16
Weighted average shares of common stock outstanding:
Basic (shares)	15,741	16,214	15,749	16,305
Diluted (shares)	15,743	16,215	15,750	16,305