Benefit Plans - Summary of Pension Expense Composed of Components Included in Cost of Goods Sold and Selling, General and Administrative Expenses (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Components of net periodic benefit cost
Service cost	$ 663	$ 673	$ 944
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Income (Loss)	Operating Income (Loss)	Operating Income (Loss)
Interest cost	$ 2,596	$ 2,456	$ 1,967
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Income (Loss)	Operating Income (Loss)	Operating Income (Loss)
Expected return on plan assets	$ (3,019)	$ (3,104)	$ (3,699)
Amortization of:
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Income (Loss)	Operating Income (Loss)	Operating Income (Loss)
Unrecognized net loss	$ 1,742	$ 1,894	$ 2,409
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Income (Loss)	Operating Income (Loss)	Operating Income (Loss)
Settlement charge	$ 0	$ 0	$ 1,273
Net periodic benefit cost	1,982	1,919	2,894
Other changes in Plan Assets and Projected Benefit Obligation Recognized in Other comprehensive Income
Net actuarial loss (gain)	(381)	449	(2,295)
Amortization of net actuarial loss	(1,742)	(1,896)	(3,682)
Net of recognized in Other comprehensive Income	(2,123)	(1,447)	(5,977)
Total recognized in net periodic pension cost andother comprehensive loss (income)	$ (141)	$ 472	$ (3,083)