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Discontinued Operations - Additional Information (Details) - Discontinued operations - Software Integrity business $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 USD ($) quarter | Jan. 31, 2025 USD ($) | Oct. 31, 2024 USD ($)
Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Sale consideration | $ 1,650.0 |  |
Cash consideration | 1,480.0 |  |
Deferred consideration receivable, present value | 121.5 |  |
Deferred consideration receivable | $ 125.0 |  |
Number of fiscal quarters for consideration installment payments | quarter | 5 |  |
Contingent consideration receivable | $ 22.2 |  |
Contingent consideration receivable, achievement of specified rate of return | 475.0 |  |
Additional consideration receivable as a result of net working capital adjustments | $ 27.1 |  |
Derecognized net assets |  |  | $ 720.5
Transaction costs incurred |  |  | 61.7
Pre-tax gain on discontinued operation |  |  | $ 868.8
Deferred consideration received |  | $ 25.0 |

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