Fair Value Measurements - Financial Liabilities Measured At Fair Value (Details) - Fair Value, Recurring - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mutual funds	$ 1.2	$ 1.0
Interest Rate Swap
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate swap liability	3.5	6.5
Quoted Prices in Active Markets (Level 1)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mutual funds	1.2	1.0
Quoted Prices in Active Markets (Level 1) | Interest Rate Swap
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate swap liability	0.0	0.0
Significant Other Observable Inputs (Level 2)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mutual funds	0.0	0.0
Significant Other Observable Inputs (Level 2) | Interest Rate Swap
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate swap liability	3.5	6.5
Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mutual funds	0.0	0.0
Significant Unobservable Inputs (Level 3) | Interest Rate Swap
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate swap liability	$ 0.0	$ 0.0