Concentration of Risk and Segment Data (Details 1)	3 Months Ended		6 Months Ended
	Feb. 28, 2017 Country	Feb. 29, 2016	Feb. 28, 2017 Country Customer Segment	Feb. 29, 2016
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	90.90%	90.30%	91.70%	91.30%
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			76
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			48.00%