Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Income Statement [Abstract]
Sales	$ 406,710	$ 131,434	$ 613,844	$ 260,650
Costs and Expenses
Cost of sales	305,155	94,991	452,236	188,062
Gross margin	101,555	36,443	161,608	72,588
Selling, general and administrative	37,414	16,481	69,558	31,200
Operating income from continuing operations	64,141	19,962	92,050	41,388
Interest expense	28,144	1,731	35,615	3,391
Other (income) expense, net	55	45	28	(15)
Income from continuing operations before income taxes	35,942	18,186	56,407	38,012
Income tax expense	10,822	3,918	15,922	12,131
Net income from continuing operations	25,120	14,268	40,485	25,881
Income from discontinued operations, net of tax	6,737	4,710	15,449	15,434
Estimated loss on discontinued operations, net of tax	(89,427)	0	(89,427)	0
Net income (loss) from discontinued operations	(82,690)	4,710	(73,978)	15,434
Net income (loss)	(57,570)	18,978	(33,493)	41,315
Accrued dividends on preferred stock	(1,040)	0	(1,040)	0
Net income (loss) available to common shareholders	$ (58,610)	$ 18,978	$ (34,533)	$ 41,315
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 share (usd per share)	(2.36)	0.76	(1.39)	1.65
Diluted earnings per share (usd per share)	(1.91)	0.76	(1.13)	1.64
Cash dividends declared per common share (usd per share)	$ 0.17	$ 0.17	$ 0.34	$ 0.34