Concentration of Risk and Segment Data (Details 1)	3 Months Ended		9 Months Ended
	May 31, 2016 Country	May 31, 2015	May 31, 2016 Country Customer Segment	May 31, 2015
Entity Wide Revenue Major Customer [Line Items]
Number of operating segments | Segment			2
Number of operating countries | Country	28		28
Geographic Concentration Risk [Member] | Net revenue [Member] | Foreign [Member]
Entity Wide Revenue Major Customer [Line Items]
Concentration Risk, Percentage	90.40%	86.60%	91.00%	87.10%
Customer Concentration Risk [Member] | Net revenue [Member] | Group Of Customers That Account For 90 Percent Of Total Net Revenue [Member]
Entity Wide Revenue Major Customer [Line Items]
Top customers that comprise revenue			81
Concentration Risk, Percentage			90.00%
Customer Concentration Risk [Member] | Net revenue [Member] | Five Largest Customers That Account For A Percentage Of Net Revenue [Member]
Entity Wide Revenue Major Customer [Line Items]
Top customers that comprise revenue			5
Concentration Risk, Percentage			51.00%