Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Feb. 28, 2026	Feb. 28, 2025
Related Party Transaction [Line Items]
Materials and supplies accruals	$ 29,157	$ 23,853
Legal accrual	5,585	6,611
Employee-related expenses	8,304	7,176
Accrued customer discount	11,591	12,337
Accrued warranty	4,803	5,388
Sales and other taxes payable	4,247	4,205
Accrued utilities	4,640	2,626
Environmental liability—current	$ 1,129	$ 2,400
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities
Customer claims liability	$ 2,819	$ 2,563
Other accrued liabilities	74,771	68,428
Nonrelated Party
Related Party Transaction [Line Items]
Other	$ 2,496	$ 1,269