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Leases (Schedule of Minimum Lease Payments Under Operating Leases) (Details)
$ in Thousands
Aug. 31, 2020
USD ($)
Operating Lease Liabilities Payments Due [Abstract]  
2021 $ 5,911
2022 5,734
2023 4,075
2024 3,680
2025 2,735
Thereafter 14,370
Total lease payments 36,505
Less: interest 5,520
Present value of lease liabilities $ 30,985