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 | 9 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
|
| Components of net periodic benefit cost | ||||
| Service cost | $ 269 | $ 318 | $ 806 | $ 954 |
| Interest cost | 420 | 438 | 1,261 | 1,315 |
| Expected return on plan assets | (931) | (1,019) | (2,792) | (3,056) |
| Amortization of: | ||||
| Unrecognized net loss | 639 | 840 | 1,919 | 2,519 |
| Settlement Charges | 750 | 750 | ||
| Net periodic benefit cost | $ 1,147 | $ 577 | $ 1,944 | $ 1,732 |