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GOODWILL AND OTHER INTANGIBLE ASSETS (Estimated Future Amortization Expense) (Details)
$ in Thousands
Aug. 31, 2017
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2018 $ 1,578
2019 1,342
2020 1,105
2021 1,082
2022 $ 804