Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Numerator:
Net income from continuing operations	$ 33,603	$ 26,890	$ 108,624	$ 83,744
Dividends on preferred stock	0	(3,600)	(1,200)	(10,800)
Plus: Redemption premium on Series A Preferred Stock	0	0	(75,198)	0
Net income from continuing operations available to common shareholders	33,603	23,290	32,226	72,944
Dividends on Series A Preferred Stock	0	3,600	0	10,800
Numerator for diluted earnings per share	$ 33,603	$ 26,890	$ 32,226	$ 83,744
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	29,879,000	25,077,000	28,819,000	25,024,000
Effect of dilutive securities:
Employee and director stock awards	239,000	136,000	257,000	137,000
Series A convertible preferred stock (shares)	0	4,117,000	0	4,117,000
Denominator for diluted earnings per common share (shares)	30,118,000	29,330,000	29,076,000	29,278,000
Computation of basic and diluted earnings per share
Basic earnings per common share (usd per share)	$ 1.12	$ 0.93	$ 1.12	$ 2.91
Diluted earnings per common share (usd per share)	$ 1.12	$ 0.92	$ 1.11	$ 2.86