Financial Derivatives and Hedging - Fair Values of Derivative Instruments in Condensed Consolidated Balance Sheets (Details) - Designated as Hedging Instrument - Interest Rate Swap - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Derivative Asset [Abstract]
Interest rate swap contracts	$ 17.2	$ 0.0
Derivative Liability [Abstract]
Interest rate swap contracts	0.0	17.1
Other current assets
Derivative Asset [Abstract]
Interest rate swap contracts	0.0	0.0
Other non-current assets
Derivative Asset [Abstract]
Interest rate swap contracts	17.2	0.0
Other current liabilities
Derivative Liability [Abstract]
Interest rate swap contracts	0.0	0.6
Other non-current liabilities
Derivative Liability [Abstract]
Interest rate swap contracts	$ 0.0	$ 16.5