Employee Retirement and Deferred Compensation Plans - Narrative (Details) $ in Millions	12 Months Ended
	Oct. 31, 2025 USD ($) retirementPlan	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan cost	$ 20.9	$ 19.2	$ 17.1
Number of unfunded defined benefit retirement plans | retirementPlan	2
Discount rate in our calculation of the present value of our projected benefit obligations	4.87%	4.98%	5.83%
Defined Benefit Plan Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Accrued for obligations under the plan	$ 38.1	$ 36.6