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Pension Plan - Schedule of Estimated Future Benefit Payments which Reflect Expected Future Service (Detail)
$ in Thousands
Feb. 29, 2020
USD ($)
Schedule Of Sale Of Subsidiary [Abstract]  
2021 $ 4,600
2022 4,700
2023 3,200
2024 4,900
2025 5,000
2026 – 2030 $ 20,600