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Schedule of Future Undiscounted Cash Flows and Reconciliation to Lease Liabilities (Detail)
$ in Thousands
Aug. 31, 2019
USD ($)
Leases [Abstract]  
2020 (excluding the three months ended August 31) $ 46,387
2021 51,794
2022 40,792
2023 31,889
2024 26,759
Thereafter 121,011
Total lease payments 318,632
Less imputed interest 52,787
Total present value of lease liabilities $ 265,845