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Significant Accounting Policies - Assets Held For Sale (Details) - Held-for-sale - Building $ in Millions | 12 Months Ended |
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Aug. 31, 2022 USD ($) building | Aug. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of buildings classified as held for sale | building | 1 |
Assets held for sale, total |  | $ 6.6
Gain on sale of building | $ 2.3 |

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + 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) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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