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Intangible Assets And Goodwill (Amortization Expense For Intangible Assets Over The Next Five Years) (Details)
$ in Thousands
Aug. 31, 2019
USD ($)
Intangible Assets And Goodwill [Abstract]  
2020 $ 4,564
2021 4,049
2022 3,557
2023 2,612
2024 $ 2,612