Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	May 31, 2023	May 31, 2022
Numerator:
Net income from continuing operations	$ 28,522	$ 15,353
Dividends on preferred stock	3,600	0
Numerator for diluted earnings per share—net income (loss) available to common shareholders	28,522	24,624
Net income from continuing operations available to common shareholders	24,922	15,353
After-tax interest expense for Convertible Notes	0	547
Numerator for diluted earnings per share continuing operations	28,522	15,900
Net income (loss) from discontinued operations	0	8,724
Net income (loss) available to common shareholders	$ 24,922	$ 24,077
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	24,940,000	24,709,000
Effect of dilutive securities:
Employee and director stock awards	93,000	161,000
Convertible notes (shares)	0	805,000
Series A convertible preferred stock (shares)	4,117,000	0
Denominator for diluted earnings per common share (shares)	29,150,000	25,675,000
Earnings per common share from continuing operations
Earnings (loss) per common share from continuing operations (in dollars per share)	$ 1.00	$ 0.62
Earnings (loss) per common share from continuing operations (in dollars per share)	0.98	0.62
Earnings per common share from discontinued operations:
Earnings (loss) per common share from discontinued operations (in dollars per share)	0	0.35
Earnings (loss) per common share from discontinued operations (in dollars per share)	0	0.34
Computation of basic and diluted earnings per share
Basic earnings per common share (usd per share)	1.00	0.97
Diluted earnings per common share (usd per share)	$ 0.98	$ 0.96