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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

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