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Basis of Presentation and Significant Accounting Policies - Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019 | Nov. 01, 2018
Significant Accounting Policies [Line Items] |  |  |  |
Capitalized implementation costs | $ 100 |  |  |
Capitalized implementation costs amortization | 0 |  |  |
Retained earnings | 57,364 | $ 89,512 |  |
Comprehensive income | $ 0 | 0 | $ 0 |
Cumulative effect adjustment |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Retained earnings |  | $ 923 |  | $ 12,100

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