v3.26.1
Pension Plan - Summary of Pension Expense Composed of Components Included in Cost of Goods Sold and Selling, General and Administrative Expenses (Detail) - USD ($)
$ in Thousands
 3 Months Ended
May 31, 2026
May 31, 2025
Components of net periodic benefit cost    
Service cost $ 149 $ 151
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Income (Loss) Operating Income (Loss)
Interest cost $ 659 $ 650
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)
Expected return on plan assets $ (732) $ (710)
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)
Unrecognized net loss $ 281 $ 366
Net periodic benefit cost $ 357 $ 457