Employee Benefits - Schedule of Weighted-Average Asset Allocations and Fair Value Measurement of Plan Assets (Details) - USD ($) $ in Millions	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	$ 163.7	$ 137.6	$ 142.9	$ 199.5
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	131.3
Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	26.7
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	5.7
Cash and cash equivalents
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	6.1
Cash and cash equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.4
Cash and cash equivalents | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Cash and cash equivalents | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	5.7
Corporate common stock
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	41.3
Corporate common stock | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	41.3
Corporate common stock | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Corporate common stock | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Equity mutual funds
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	65.3
Equity mutual funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	65.3
Equity mutual funds | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Equity mutual funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Balanced funds
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	3.7
Balanced funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	3.7
Balanced funds | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Balanced funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Alternative investments
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	1.2
Alternative investments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	1.2
Alternative investments | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Alternative investments | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	0.0
Fixed Income Investments
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	46.1
Fixed Income Investments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	19.4
Fixed Income Investments | Significant Observable Inputs (Level 2)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	26.7
Fixed Income Investments | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	$ 0.0