Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Income Statement [Abstract]
Sales	$ 1,650,080	$ 1,577,744	$ 1,537,589
Cost of sales	1,255,125	1,195,064	1,174,128
Gross margin	394,955	382,680	363,461
Selling, general and administrative	130,338	146,316	141,861
Operating income	264,617	236,364	221,600
Interest expense, net	(55,650)	(81,282)	(107,065)
Equity in earnings of unconsolidated subsidiaries	209,733	16,163	15,407
Other income (expense), net	1,615	(562)	161
Income before income taxes	420,315	170,683	130,103
Income tax expense	103,055	41,850	28,496
Net income	317,260	128,833	101,607
Series A Preferred Stock Dividends	0	(1,200)	(14,400)
Redemption premium on Series A Preferred Stock	0	(75,198)	0
Net income available to common shareholders	$ 317,260	$ 52,435	$ 87,207
Basic Earnings (Loss) Per Share [Abstract]
Basic earnings per common share (usd per share)	$ 10.59	$ 1.80	$ 3.48
Diluted Earnings (Loss) Per Share [Abstract]
Diluted earnings per common share (usd per share)	$ 10.50	$ 1.79	$ 3.46
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number common shares, basic (shares)	29,955,000	29,086,000	25,041,000
Weighted average number common shares, diluted (shares)	30,211,000	29,344,000	25,209,000
Cash dividends declared per common share (usd per share)	$ 0.77	$ 0.68	$ 0.68