Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Numerator:
Net income from continuing operations	$ 25,120	$ 14,268	$ 40,485	$ 25,881
Dividends on preferred stock	(1,040)	0	(1,040)	0
Net income from continuing operations available to common shareholders	24,080	14,268	39,445	25,881
After-tax interest expense for Convertible Notes	2,006	0	2,554	0
Dividends on preferred stock	1,040	0	1,040	0
Numerator for diluted earnings per share continuing operations	27,126	14,268	43,039	25,881
Net income (loss) from discontinued operations	(82,690)	4,710	(73,978)	15,434
Net income (loss) available to common shareholders	(58,610)	18,978	(34,533)	41,315
Numerator for diluted earnings per share consolidated net income (loss) available to common shareholders	$ (55,564)	$ 18,978	$ (30,939)	$ 41,315
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	24,836	24,947	24,772	24,999
Effect of dilutive securities:
Employee and director stock awards (shares)	106	188	172	217
Convertible notes (shares)	2,953	0	1,902	0
Series A convertible preferred stock (shares)	1,164	0	582	0
Denominator for diluted earnings per common share (shares)	29,059	25,135	27,428	25,216
Earnings per common share from continuing operations
Basic earnings per share (usd per share)	$ 0.97	$ 0.57	$ 1.59	$ 1.04
Diluted earnings per share (usd per share)	0.93	0.57	1.57	1.03
Earnings per common share from discontinued operations:
Basic earnings (loss) per share (in dollars per share)	(3.33)	0.19	(2.99)	0.62
Diluted earnings (loss) per share (in dollars per share)	(2.85)	0.19	(2.70)	0.61
Earnings per common share from consolidated operations:
Basic earnings per common share (usd per share)	(2.36)	0.76	(1.39)	1.65
Diluted earnings per common share (usd per share)	$ (1.91)	$ 0.76	$ (1.13)	$ 1.64