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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 | 12 Months Ended
--- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2021
Components of net periodic benefit cost |  |  |
Service cost | $ 944 | $ 1,075 | $ 1,271
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 | $ 1,967 | $ 1,682 | $ 1,754
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 | $ (3,699) | $ (3,723) | $ (4,074)
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 | $ 2,409 | $ 2,558 | $ 3,358
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 | $ (1,273) | $ (1,097) | $ (1,619)
Net periodic benefit cost | 2,894 | 2,689 | 3,928
Other changes in Plan Assets and Projected Benefit Obligation Recognized in Other comprehensive Income |  |  |
Net actuarial loss (gain) | 2,295 | 1,396 | (1,588)
Amortization of net actuarial loss | (3,682) | (3,655) | (4,977)
Net of recognized in Other comprehensive Income | 5,977 | (2,259) | (6,565)
Total recognized in net periodic pension cost and other comprehensive income | $ 3,083 | $ 430 | $ (2,637)

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