Income Taxes - Narrative (Details) - USD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Operating Loss Carryforwards [Line Items]
Remaining transition tax to be remitted		$ 66.4
Unrecognized tax benefits that would impact the effective tax rate		323.7	$ 323.2	$ 324.3
Accrued gross interest and penalties related to uncertain tax positions		10.7	$ 5.8	$ 5.4
Significant change in unrecognized tax benefits that is reasonably possible during the next twelve months		15.7
Forecast
Operating Loss Carryforwards [Line Items]
Remaining transition tax to be remitted	$ 36.9
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		74.0
Federal net operating losses expiring		24.2
Federal net operating losses not subject to expiration		49.8
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 85.0