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Concentration of Risk and Segment Data - Narrative (Details)	3 Months Ended		6 Months Ended
	Feb. 28, 2018 Country	Feb. 28, 2017	Feb. 28, 2018 Customer Country	Feb. 28, 2017
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	91.90%	90.90%	92.10%	91.70%
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			51.00%
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			74
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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

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-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

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-Name Accounting Standards Codification
-Topic 825
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-Section 50
-Paragraph 21
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