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Pension Plan - Schedule of Estimated Future Benefit Payments which Reflect Expected Future Service (Detail)
$ in Thousands
Feb. 28, 2021
USD ($)
Schedule Of Sale Of Subsidiary [Abstract]  
2022 $ 3,600
2023 2,600
2024 3,900
2025 4,500
2026 4,000
2027 – 2031 $ 18,900