Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Nov. 30, 2020 |
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| Income Tax Disclosure [Abstract] | |||||
| Effective income tax rate (in percent) | (114.50%) | 35.30% | (40.50%) | 35.40% | |
| Deferred tax asset, intra-entity sale of certain intellectual property rights | $ 2,000.0 | ||||
| Reserve for uncertain tax position | $ 307.2 | ||||
| Income tax benefit related to release of previously recorded uncertain tax position | $ 307.2 | $ 307.2 | |||
| Loss contingency, loss in period | $ 0.4 | 272.0 | |||
| Litigation accrual, discrete income tax benefit | $ 40.9 | ||||
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Litigation Accrual, Amount No definition available.
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| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from intra-entity transfer of asset within consolidated group. Excludes intra-entity transfer of inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of loss (reversal of loss) recognized for loss contingency liability. Includes, but is not limited to, effect of revision in previously reported estimate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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