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Intangible Assets And Goodwill (Amortization Expense For Intangible Assets Over The Next Five Years) (Details)
$ in Thousands
Aug. 31, 2015
USD ($)
Intangible Assets And Goodwill [Abstract]  
2016 $ 3,263
2017 2,883
2018 2,729
2019 2,489
2020 $ 2,450