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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Concentration of Risk and Segment Data - Narrative (Details)	3 Months Ended		6 Months Ended
	Feb. 28, 2019 Country	Feb. 28, 2018	Feb. 28, 2019 Customer Country	Feb. 28, 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	88.20%	91.90%	90.60%	92.10%
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			46.00%
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			78
Concentration risk, percentage			90.00%