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Financial Derivatives and Hedging - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Apr. 06, 2020
Jul. 31, 2021
Oct. 31, 2021
Oct. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Pre-tax impact of gain (loss) on derivatives recognized in other comprehensive income (loss)     $ 17.2 $ (17.1)
Gain (loss) on derivatives recognized in other comprehensive income (loss), net of tax     13.1 $ (13.0)
Derivative loss expected to be realized in earnings over the next twelve months     $ 5.1  
Interest Rate Swap        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest rate swap contracts, contract term (or less) 7 years 6 years