Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Numerator:
Net income from continuing operations	$ 18,439	$ 13,107	$ 58,912	$ 38,988
Dividends on preferred stock	(3,600)	0	(4,640)	0
Net income from continuing operations available to common shareholders	14,839	13,107	54,272	38,988
Net income (loss) from discontinued operations	(38,981)	7,978	(112,947)	23,412
Net income (loss) available to common shareholders	$ (24,142)	$ 21,085	$ (58,675)	$ 62,400
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	24,867	24,729	24,804	24,910
Effect of dilutive securities:
Employee and director stock awards (shares)	128	216	180	222
Denominator for diluted earnings per common share (shares)	24,995	24,945	24,984	25,132
Earnings per common share from continuing operations
Basic earnings per share (usd per share)	$ 0.60	$ 0.53	$ 2.19	$ 1.57
Diluted earnings per share (usd per share)	0.59	0.53	2.17	1.55
Earnings per common share from discontinued operations:
Basic earnings (loss) per share (in dollars per share)	(1.57)	0.32	(4.55)	0.94
Diluted earnings (loss) per share (in dollars per share)	(1.56)	0.32	(4.52)	0.93
Earnings per common share:
Basic earnings per common share (usd per share)	(0.97)	0.85	(2.37)	2.51
Diluted earnings per common share (usd per share)	$ (0.97)	$ 0.85	$ (2.35)	$ 2.48