Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	May 31, 2025	May 31, 2024
Income Statement [Abstract]
Sales	$ 421,962	$ 413,208
Cost of sales	317,832	310,538
Gross margin	104,130	102,670
Selling, general and administrative	34,581	32,921
Operating income	69,549	69,749
Interest expense	(18,563)	(22,774)
Equity in earnings of unconsolidated subsidiaries	173,523	3,824
Other income (expense), net	1,327	204
Income from continuing operations before income taxes	225,836	51,003
Income tax expense	54,928	11,401
Net income	170,908	39,602
Series A Preferred Stock Dividends	0	(1,200)
Redemption premium on Series A Preferred Stock	0	(75,198)
Net income (loss) available to common shareholders	$ 170,908	$ (36,796)
Basic Earnings (Loss) Per Share [Abstract]
Basic earnings per common share (usd per share)	$ 5.71	$ (1.38)
Diluted Earnings (Loss) Per Share [Abstract]
Diluted earnings per common share (usd per share)	$ 5.66	$ (1.38)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number common shares, basic (shares)	29,941,000	26,751,000
Weighted average number common shares, diluted (shares)	30,217,000	26,751,000
Cash dividends declared per common share (usd per share)	$ 0.17	$ 0.17