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GOODWILL AND OTHER INTANGIBLE ASSETS (Estimated Future Amortization Expense) (Details)
$ in Thousands
Aug. 31, 2018
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2019 $ 2,027
2020 1,793
2021 1,770
2022 1,493
2023 $ 1,034