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Concentration of Risk and Segment Data (Additional Information) (Details 1)
12 Months Ended
Aug. 31, 2017
Country
Customer
Segment
Revenue, Major Customer [Line Items]  
Number of operating segments | Segment 2
Number of operating countries | Country 29
Customer Concentration Risk [Member] | Net Revenue | Group of Customers That Account for 90% of Net Revenue [Member]  
Revenue, Major Customer [Line Items]  
Top customers that comprise revenue | Customer 83
Concentration Risk, Percentage 90.00%
Customer Concentration Risk [Member] | Net Revenue | Five Largest Customers That Account For A Percentage Of Net Revenue [Member]  
Revenue, Major Customer [Line Items]  
Concentration Risk, Percentage 47.00%