Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Income Statement [Abstract]
Net sales	$ 106,760	$ 111,233	$ 218,054	$ 218,900
Type of revenue [extensible list]	Net sales	Net sales	Net sales	Net sales
Cost of goods sold	$ 73,661	$ 76,014	$ 150,914	$ 149,677
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	$ 33,099	$ 35,219	$ 67,140	$ 69,223
Selling, general and administrative	18,341	17,942	36,684	35,624
Loss from disposal of assets	52	0	52	0
Income from operations	14,706	17,277	30,404	33,599
Other income (expense)	577	(342)	1,039	(514)
Earnings before income taxes	15,283	16,935	31,443	33,085
Income tax expense	4,373	4,741	8,898	9,264
Net earnings	$ 10,910	$ 12,194	$ 22,545	$ 23,821
Weighted average common shares outstanding
Basic	25,886,058	25,797,097	25,858,154	25,805,419
Diluted	26,050,983	25,858,811	26,010,739	25,867,504
Earnings per share
Basic	$ 0.42	$ 0.47	$ 0.87	$ 0.92
Diluted	$ 0.42	$ 0.47	$ 0.87	$ 0.92