Discontinued Operations (Details) - Discontinued Operations - Software Integrity Business - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Apr. 30, 2025	Oct. 31, 2024
Disposal Groups, Including Discontinued Operations [Line Items]
Derecognized net assets		$ 720.5
Transaction costs incurred		61.7
Pre-tax gain (loss)	$ 860.5	$ 868.8
Working capital adjustments	$ 8.3

Disposal Group, Including Discontinued Operation, Net Assets

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- Definition

Disposal Group Including Discontinued Operation, Net Working Capital Adjustments

+ References

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Disposal Group, Including Discontinued Operation, Transaction Costs

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- Definition

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

+ References

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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

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