v3.26.1
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, 2026
Feb. 28, 2025
Feb. 29, 2024
Components of net periodic benefit cost      
Service cost $ 605 $ 663 $ 673
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 $ 2,598 $ 2,596 $ 2,456
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 $ (2,839) $ (3,019) $ (3,104)
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 $ 1,465 $ 1,742 $ 1,894
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 $ 0
Net periodic benefit cost 1,829 1,982 1,919
Other changes in Plan Assets and Projected Benefit Obligation Recognized in Other comprehensive Income      
Net actuarial loss (gain) (1,151) (381) 449
Amortization of net actuarial loss (1,465) (1,742) (1,896)
Net of recognized in Other comprehensive Income (2,616) (2,123) (1,447)
Total recognized in net periodic pension cost and other comprehensive loss (income) $ (787) $ (141) $ 472