Basis of Presentation and Significant Accounting Policies - Goodwill and Acquired Intangible Assets (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Oct. 31, 2020 |
Oct. 31, 2019 |
Oct. 31, 2018 |
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Basis of Presentation and Significant Accounting Policies | |||
Goodwill impairment loss | $ 0.0 | $ 0.0 | $ 0.0 |
Impairment of long-lived assets | $ 0.0 | $ 0.0 |
X | ||||||||||
- References No definition available.
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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