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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Finite Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0	$ 0	$ 0
Impairment charges	$ 0	$ 0	$ 0
Measurement Input, Discount Rate [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill measurement input	7.00%
Measurement Input, Long-term Revenue Growth Rate [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill measurement input	2.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
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-Section 45
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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
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Goodwill, Measurement Input

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