Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Income Statement [Abstract]
Sales	$ 1,537,589	$ 1,323,649	$ 525,598
Costs and Expenses
Cost of sales	1,174,128	1,027,706	379,445
Gross margin	363,461	295,943	146,153
Selling, general and administrative	141,861	122,305	66,934
Operating income	221,600	173,638	79,219
Interest expense	(107,065)	(88,800)	(6,363)
Equity in earnings of unconsolidated subsidiaries	15,407	2,597	0
Other income, net	161	1,240	175
Income from continuing operations before income taxes	130,103	88,675	73,031
Income tax expense	28,496	22,336	23,214
Net income from continuing operations	101,607	66,339	49,817
Income from discontinued operations, net of tax	0	12,770	34,205
Loss on disposal of discontinued operations, net of tax	0	(132,083)	0
Net income (loss) from discontinued operations	0	(119,313)	34,205
Net income (loss)	101,607	(52,974)	84,022
Dividends on preferred stock	(14,400)	(8,240)	0
Net income (loss) available to common shareholders	$ 87,207	$ (61,214)	$ 84,022
Basic earnings (loss) per share
Earnings (loss) per common share from continuing operations (in dollars per share)	$ 3.48	$ 2.34	$ 2.00
Earnings (loss) per common share from discontinued operations (in dollars per share)	0	(4.81)	1.38
Basic earnings per common share (usd per share)	3.48	(2.47)	3.38
Diluted Earnings (Loss) Per Share [Abstract]
Earnings (loss) per common share from continuing operations (in dollars per share)	3.46	2.33	1.99
Earnings (loss) per common share from discontinued operations (in dollars per share)	0	(4.78)	1.36
Diluted earnings per common share (usd per share)	$ 3.46	$ (2.45)	$ 3.35
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number common shares, basic (shares)	25,041	24,828	24,855
Weighted average number common shares, diluted (shares)	25,209	24,978	25,077
Cash dividends declared per common share (usd per share)	$ 0.68	$ 0.68	$ 0.68