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v3.21.1

Stock-Based Benefit Plans (Details Textual) - USD ($) $ in Millions | Apr. 30, 2021 | Oct. 31, 2020
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unamortized value of outstanding stock-based compensation awards | $ 21.7 | $ 15.9

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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