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Intangible Assets - Estimated Amortization Expenses for Intangible Assets with Definite Lives (Details) - USD ($)
$ in Millions
Oct. 31, 2021
Oct. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
2022 $ 149.2  
2023 146.9  
2024 142.7  
2025 132.2  
Thereafter 690.4  
Intangible assets with definite lives, net $ 1,261.4 $ 1,278.9