Financial Derivatives and Hedging - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|
Apr. 06, 2020 |
Jul. 31, 2020 |
Oct. 31, 2020 |
Oct. 31, 2019 |
Oct. 31, 2018 |
|
Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||||
Pre-tax impact of loss on derivatives recognized in other comprehensive income (loss) | $ 17.1 | ||||
After tax impact of loss on derivatives recognized in other comprehensive income (loss) | 13.0 | $ 0.0 | $ 0.0 | ||
Derivative loss expected to be realized in earnings over the next twelve months | $ 6.8 | ||||
Interest Rate Swap | |||||
Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||||
Interest rate swap contracts, contract term (or less) | 7 years | 7 years |