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Debt (Financing Arrangements) (Narrative) (Details)
$ in Thousands
3 Months Ended
Nov. 30, 2019
USD ($)
Capital Leased Assets [Line Items]  
Borrowings under financing obligations $ 1,164
IT Equipment And Software [Member]  
Capital Leased Assets [Line Items]  
Property, plant and equipment, gross 1,328
Accumulated amortization $ 172