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, 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
Begining balance, treasury stock , shares at Feb. 28, 2023						(4,266,835)
Net earnings	22,545			22,545
Adjustment to pension, net of deferred tax	720				720
Dividends paid	(12,922)			(12,922)
Stock based compensation	$ 1,371		1,371
Exercise of stock options and restricted stock			(818)			$ 818
Exercise of stock options and restricted stock, shares						46,625
Common stock repurchases, shares	0
Ending balance at Aug. 31, 2023	$ 343,146	$ 75,134	126,440	229,082	(13,384)	$ (74,126)
Ending balance common stock, shares at Aug. 31, 2023		30,053,443
Ending balance, treasury stock , shares at Aug. 31, 2023						(4,220,210)
Beginning balance at May. 31, 2023	337,681	$ 75,134	126,101	224,635	(13,717)	$ (74,472)
Beginning balance common stock, shares at May. 31, 2023		30,053,443
Begining balance, treasury stock , shares at May. 31, 2023						(4,239,929)
Net earnings	10,910			10,910
Adjustment to pension, net of deferred tax	333				333
Dividends paid	(6,463)			(6,463)
Stock based compensation	$ 685		685
Exercise of stock options and restricted stock			(346)			$ 346
Exercise of stock options and restricted stock, shares						19,719
Common stock repurchases, shares	0
Ending balance at Aug. 31, 2023	$ 343,146	$ 75,134	126,440	229,082	(13,384)	$ (74,126)
Ending balance common stock, shares at Aug. 31, 2023		30,053,443
Ending balance, treasury stock , shares at Aug. 31, 2023						(4,220,210)
Beginning balance at Feb. 29, 2024	$ 349,841	$ 75,134	126,253	236,196	(13,019)	$ (74,723)
Beginning balance common stock, shares at Feb. 29, 2024	30,053,443	30,053,443
Begining balance, treasury stock , shares at Feb. 29, 2024						(4,250,226)
Net earnings	$ 20,995				20,995
Adjustment to pension, net of deferred tax	(156)				(156)
Dividends paid	(12,956)			(12,956)
Stock based compensation	2,473		2,473
Exercise of stock options and restricted stock			(4,411)			$ 4,411
Exercise of stock options and restricted stock, shares						250,892
Common stock repurchases	$ (1,828)					$ (1,828)
Common stock repurchases, shares	(91,883)					(91,922)
Ending balance at Aug. 31, 2024	$ 358,369	$ 75,134	124,315	244,235	(13,175)	$ (72,140)
Ending balance common stock, shares at Aug. 31, 2024	30,053,443	30,053,443
Ending balance, treasury stock , shares at Aug. 31, 2024						(4,091,256)
Beginning balance at May. 31, 2024	$ 354,373	$ 75,134	123,948	240,423	(12,647)	$ (72,485)
Beginning balance common stock, shares at May. 31, 2024		30,053,443
Begining balance, treasury stock , shares at May. 31, 2024						(4,110,893)
Net earnings	10,308			10,308
Adjustment to pension, net of deferred tax	(528)				(528)
Dividends paid	(6,496)			(6,496)
Stock based compensation	713		713
Exercise of stock options and restricted stock			(346)			$ 346
Exercise of stock options and restricted stock, shares						19,676
Common stock repurchases	$ (1)					$ (1)
Common stock repurchases, shares	(39)					(39)
Ending balance at Aug. 31, 2024	$ 358,369	$ 75,134	$ 124,315	$ 244,235	$ (13,175)	$ (72,140)
Ending balance common stock, shares at Aug. 31, 2024	30,053,443	30,053,443
Ending balance, treasury stock , shares at Aug. 31, 2024						(4,091,256)