Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Income Statement [Abstract]
Sales	$ 1,323,649	$ 525,598	$ 480,574
Costs and Expenses
Cost of sales	1,027,706	379,445	357,675
Gross margin	295,943	146,153	122,899
Selling, general and administrative	122,305	66,934	59,317
Restructuring and impairment charges	0	0	16,105
Operating income from continuing operations	173,638	79,219	47,477
Interest expense	88,800	6,363	9,461
Equity in (earnings) loss of unconsolidated subsidiaries	(2,597)	0	0
Other (income) expense, net	(1,240)	(175)	(415)
Income from continuing operations before income taxes	88,675	73,031	38,431
Income tax expense	22,336	23,214	11,248
Net income from continuing operations	66,339	49,817	27,183
Income from discontinued operations, net of tax	12,770	34,205	12,431
Loss on disposal of discontinued operations, net of tax	(132,083)	0	0
Net income (loss) from discontinued operations	(119,313)	34,205	12,431
Net income (loss)	(52,974)	84,022	39,614
Dividends on preferred stock	(8,240)	0	0
Net income (loss) available to common shareholders	$ (61,214)	$ 84,022	$ 39,614
Basic earnings (loss) per share
Earnings (loss) per common share from continuing operations (in dollars per share)	$ 2.34	$ 2.00	$ 1.05
Earnings (loss) per common share from discontinued operations (in dollars per share)	(4.81)	1.38	0.48
Basic earnings per common share (usd per share)	(2.47)	3.38	1.53
Diluted Earnings (Loss) Per Share [Abstract]
Diluted earnings per common share (usd per share)	(2.45)	3.35	1.52
Earnings (loss) per common share from continuing operations (in dollars per share)	2.33	1.99	1.04
Earnings (loss) per common share from discontinued operations (in dollars per share)	$ (4.78)	$ 1.36	$ 0.48
Weighted average shares outstanding
Weighted average number common shares, basic (shares)	24,828,000	24,855,000	25,897,000
Weighted average number common shares, diluted (shares)	24,978,000	25,077,000	26,045,000
Cash dividends declared per common share (usd per share)	$ 0.68	$ 0.68	$ 0.68