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Discontinued Operations - Schedule of Components of Financial Results (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024 | Oct. 31, 2024 | Apr. 30, 2025
Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Income (loss) from discontinued operations, net of income taxes | $ 0 | $ (17,813) | $ (3,900) | $ (13,155) |  |
Discontinued Operations | Software Integrity Business |  |  |  |  |  |
Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Revenue | 0 | 127,917 | 0 | 392,579 |  |
Cost of revenue | 0 | 40,279 | 0 | 136,010 |  |
Operating expenses | 0 | 91,854 | 0 | 262,745 |  |
Other income (expense), net | 0 | 605 | 0 | 1,601 |  |
Income (loss) from discontinued operations | 0 | (3,611) | 0 | (4,575) |  |
Loss on Software Integrity Divestiture | 0 | 0 | (8,299) | 0 | $ 868,800 | $ 860,500
Income (loss) from discontinued operations before income taxes | 0 | (3,611) | (8,299) | (4,575) |  |
Income tax provision (benefit) | 0 | 14,202 | (4,399) | 8,580 |  |
Income (loss) from discontinued operations, net of income taxes | $ 0 | $ (17,813) | $ (3,900) | $ (13,155) |  |

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