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Concentration of Risk and Segment Data - Narrative (Details)	3 Months Ended		9 Months Ended
	May 31, 2019 Country	May 31, 2018	May 31, 2019 Customer Country	May 31, 2018
Revenue, Major Customer [Line Items]
Number of operating countries | Country	29		29
Net Revenue | Geographic Concentration Risk | Foreign
Revenue, Major Customer [Line Items]
Concentration risk, percentage	86.50%	91.20%	89.20%	91.80%
Five Largest Customers That Account for a Percentage of Net Revenue | Net Revenue | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Top customers that comprise revenue			5
Concentration risk, percentage			43.00%
Group of Customers That Account for 90% of Net Revenue | Net Revenue | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Top customers that comprise revenue			82
Concentration risk, percentage			90.00%

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Disclosure attributable to revenues generated by the Company's top 5 customers.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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