Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Numerator:
Net income from continuing operations	$ 35,419	$ 28,332	$ 75,021	$ 56,854
Dividends on preferred stock	0	(3,600)	(1,200)	(7,200)
Plus: Redemption premium on Series A Preferred Stock	0	0	(75,198)	0
Net income from continuing operations available to common shareholders	35,419	24,732	(1,377)	49,654
Dividends on Series A Preferred Stock	0	3,600	0	7,200
Numerator for diluted earnings per share	$ 35,419	$ 28,332	$ (1,377)	$ 56,854
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	29,852,000	25,054,000	28,294,000	24,997,000
Effect of dilutive securities:
Employee and director stock awards	205,000	39,000	0	82,000
Series A convertible preferred stock (shares)	0	4,117,000	0	4,117,000
Denominator for diluted earnings per common share (shares)	30,057,000	29,210,000	28,294,000	29,196,000
Computation of basic and diluted earnings per share
Basic earnings per common share (usd per share)	$ 1.19	$ 0.99	$ (0.05)	$ 1.99
Diluted earnings per common share (usd per share)	$ 1.18	$ 0.97	$ (0.05)	$ 1.95