Goodwill and Other Intangible Assets Summary of Asset Impairment Charges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Other Operating Segment [Member]
Impaired Assets [Line Items]
Goodwill, Impairment Loss	$ 3.5	$ 13.7

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.

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