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Discontinued Operations - Schedule of Significant Non-cash Items and Capital Expenditures of Discontinued Operations (Details) - Discontinued Operations - Software Integrity Business - USD ($) $ in Thousands | 6 Months Ended
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Apr. 30, 2025 | Apr. 30, 2024
Disposal Groups, Including Discontinued Operations [Line Items] |  |
Amortization and depreciation | $ 0 | $ 16,317
Reduction of operating lease right-of-use assets | 0 | 2,588
Amortization of capitalized costs to obtain revenue contracts | 0 | 14,260
Stock-based compensation | 0 | 30,291
Deferred income taxes | (6,933) | 13,562
Purchases of property and equipment | $ 0 | $ 929

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