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Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2020 | Feb. 29, 2020 | Feb. 28, 2019 | Feb. 28, 2018
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gain (Loss) on Disposition of Assets | $ 9,200 | $ (9,157) | $ (810) | $ (10,834)
Minimum [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Useful life |  | 2 years |  |
Maximum [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Useful life |  | 19 years |  |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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