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Financial Derivatives and Hedging - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2024 USD ($) interest_rate_swap_contract | Apr. 30, 2023 USD ($) | Apr. 30, 2024 USD ($) interest_rate_swap_contract | Apr. 30, 2023 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Amount recognized in other comprehensive income on interest rate swaps contracts, net of tax | $ 31.8 | $ 2.0 | $ 13.8 | $ (12.7)
Amount reclassified from other comprehensive income into earnings, net of tax | (10.4) | $ (7.5) | (20.4) | $ (13.8)
Derivative loss expected to be realized in earnings over the next twelve months |  |  | (50.3) |
Foreign Exchange Forward |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative notional amount | 45.7 |  | 45.7 |
Interest Rate Swap |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative notional amount | $ 1,600.0 |  | $ 1,600.0 |
Number of interest rate swap contracts held | interest_rate_swap_contract | 8 |  | 8 |
Derivative, term of contract (or less) |  |  | 4 years |

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