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Leases - Minimum Lease Payments Prior to ASU 2016-02 (Details)
$ in Thousands
Aug. 31, 2019
USD ($)
Future minimum payments due under operating leases  
2020 $ 2,468
2021 2,059
2022 1,371
2023 1,187
2024 1,200
2025 and thereafter 2,608
Total future minimum lease payments $ 10,893