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Financial Derivatives and Hedging - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2023 USD ($) interest_rate_swap_contract | Apr. 30, 2022 USD ($) | Apr. 30, 2023 USD ($) interest_rate_swap_contract | Apr. 30, 2022 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative loss expected to be realized in earnings over the next twelve months |  |  | $ 41.1 |
Amount recognized in other comprehensive income on interest rate swaps contracts, net of tax | $ 2.0 | $ 38.3 | (12.7) | $ 50.2
Amount reclassified from other comprehensive income into earnings, net of tax | $ (7.5) | $ 1.0 | $ (13.8) | $ 2.5
Interest Rate Swap |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Number of interest rate swap contracts held | interest_rate_swap_contract | 6 |  | 6 |
Derivative notional amount | $ 1,300.0 |  | $ 1,300.0 |
Interest rate swap contracts, contract term (or less) |  |  | 4 years |

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Number of interest rate derivative instruments held by the entity at the reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 + Details
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