Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Beginning balance at Feb. 28, 2022	$ 303,815	$ 75,134	$ 123,990	$ 197,998	$ (18,587)	$ (74,720)
Beginning balance common stock, shares at Feb. 28, 2022		30,053,443
Begining balance, treasury stock , shares at Feb. 28, 2022						(4,253,824)
Net earnings	11,627			11,627
Adjustment to pension, net of deferred tax	304				304
Dividends paid	(6,467)			(6,467)
Stock based compensation	467		467
Exercise of stock options and restricted stock	0		(595)			$ 595
Exercise of stock options and restricted stock, shares						34,032
Common stock repurchases	(1,119)					$ (1,119)
Common stock repurchases, shares						(64,082)
Ending balance at May. 31, 2022	308,627	$ 75,134	123,862	203,158	(18,283)	$ (75,244)
Ending balance common stock, shares at May. 31, 2022		30,053,443
Ending balance, treasury stock , shares at May. 31, 2022						(4,283,874)
Beginning balance at Feb. 28, 2023	$ 331,432	$ 75,134	125,887	219,459	(14,104)	$ (74,944)
Beginning balance common stock, shares at Feb. 28, 2023	30,053,443	30,053,443
Begining balance, treasury stock , shares at Feb. 28, 2023						(4,266,835)
Net earnings	$ 11,635			11,635
Adjustment to pension, net of deferred tax	387				387
Dividends paid	(6,459)			(6,459)
Stock based compensation	$ 686		686
Exercise of stock options and restricted stock			(472)			$ 472
Exercise of stock options and restricted stock, shares						26,906
Common stock repurchases, shares	0
Ending balance at May. 31, 2023	$ 337,681	$ 75,134	$ 126,101	$ 224,635	$ (13,717)	$ (74,472)
Ending balance common stock, shares at May. 31, 2023	30,053,443	30,053,443
Ending balance, treasury stock , shares at May. 31, 2023						(4,239,929)