Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Income Statement [Abstract]
Net sales	$ 99,038	$ 106,760	$ 202,146	$ 218,054
Type of revenue [extensible list]	Net sales	Net sales	Net sales	Net sales
Cost of goods sold	$ 69,259	$ 73,661	$ 141,463	$ 150,914
Type of cost, good or service [extensible list]	Cost of goods sold	Cost of goods sold	Cost of goods sold	Cost of goods sold
Gross profit	$ 29,779	$ 33,099	$ 60,683	$ 67,140
Selling, general and administrative	16,557	18,341	33,727	36,684
Loss from disposal of assets	39	52	43	52
Income from operations	13,183	14,706	26,913	30,404
Other income (expense)
Interest income	1,369	878	2,728	1,694
Other, net	(335)	(301)	(683)	(655)
Total other income (expense)	1,034	577	2,045	1,039
Earnings before income taxes	14,217	15,283	28,958	31,443
Income tax expense	3,909	4,373	7,963	8,898
Net earnings	$ 10,308	$ 10,910	$ 20,995	$ 22,545
Weighted average common shares outstanding
Basic	26,009,876	25,886,058	26,015,195	25,858,154
Diluted	26,054,499	26,050,983	26,156,161	26,010,739
Earnings per share
Basic	$ 0.4	$ 0.42	$ 0.81	$ 0.87
Diluted	$ 0.4	$ 0.42	$ 0.8	$ 0.87