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Employee Benefits - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation $ 134.9 $ 207.6 $ 195.8
Discount rate 2.76% 2.78% 3.13%
Discount rate, decrease 0.02%    
Projected defined benefit plan benefit obligation $ 217.2    
Projected defined accumulated benefit obligation 194.2    
Defined benefit obligation, actuarial gain (loss) $ 93.2 $ (2.0) $ (20.0)
Expected long-term return on diversified portfolio 8.00%    
Company's contribution to the pension plan $ 0.0 12.7 23.4
Maximum annual contributions per employee in 401k savings plan 75.00%    
Contributions by employer in 401k savings plan $ 9.0 $ 7.2 $ 6.8
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) $ 97.1    
Change In Assumptions For Defined Benefit Plans, Change In Demographic Experience      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) (3.9)    
Change In Assumptions For Defined Benefit Plans, Change In Discount Rate      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) 72.7    
Change In Assumptions For Defined Benefit Plans, Change In Assumed Payment Form Election Probabilities      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) 0.3    
Change In Assumptions For Defined Benefit Plans, Change In Lump Sum Determination      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit obligation, actuarial gain (loss) $ 24.1