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Employee Benefits - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation $ 131.5 $ 134.9 $ 207.6
Discount rate 5.74% 2.76% 2.78%
Defined benefit obligation, actuarial gain (loss) $ 10.9 $ 93.2 $ (2.0)
Expected long-term return on diversified portfolio 8.00%    
Employer contributions $ 1.1 0.0 12.7
Expected future employer contributions $ 1.1    
Maximum annual contributions per employee in 401k savings plan 75.00%    
Contributions by employer in 401k savings plan $ 10.1 $ 9.0 $ 7.2
Minimum | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Diversified portfolio, allocation of assets in equities 50.00%    
Maximum | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Diversified portfolio, allocation of assets in equities 70.00%    
Change In Assumptions For Defined Benefit Plans, Change In Key Assumptions      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) $ 12.9    
Change In Assumptions For Defined Benefit Plans, Change In Demographic Experience      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) (2.0)    
Change In Assumptions For Defined Benefit Plans, Change In Discount Rate      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) 7.8    
Change In Assumptions For Defined Benefit Plans, Change In Lump Sum Determination      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) $ 5.1