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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Additional Information (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2021 USD ($) | Apr. 30, 2020 USD ($) | Apr. 30, 2021 USD ($) | Apr. 30, 2020 USD ($) | Oct. 31, 2019 USD ($) Derivative | Jul. 15, 2021 USD ($) | Oct. 31, 2020 USD ($) Derivative | Mar. 06, 2018 USD ($) | Oct. 31, 2017 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Gains (losses) recorded under fair value contracts | $ (600,000) | $ (1,400,000) | $ 1,300,000 | $ (2,200,000) |  |  |  |  |
Unrealized gain (loss) on foreign currency | (600,000) | 1,100,000 | (1,200,000) | 1,800,000 |  |  |  |  |
Interest expense, net | 26,700,000 | 29,300,000 | 51,900,000 | 60,000,000.0 |  |  |  |  |
Interest Rate Swap | Cash Flow Hedging |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Number of interest rate derivatives held | Derivative |  |  |  |  | 6 |  | 4 |  |
Derivative, notional amount |  |  |  |  | $ 1,300,000,000.0 |  |  |  |
Derivative, future amortization amount |  |  |  |  | $ 200,000,000.0 |  |  |  |
Derivative, term of contract |  |  |  |  | 5 years |  |  |  |
Derivative outstanding notional amount | 600,000,000.0 |  | 600,000,000.0 |  |  |  |  |  |
Debt issued |  |  |  |  |  |  |  |  | $ 300,000,000.0
Interest of senior notes |  |  |  |  |  |  |  |  | 1.19%
Gain (Loss) reclassified from AOCI to income | (4,300,000) | (3,200,000) | (8,700,000) | (4,700,000) |  |  |  |  |
Loss to be reclassified within next twelve months |  |  | 16,500,000 |  |  |  |  |  |
Interest Rate Swap | Cash Flow Hedging | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  | 2.49% |  |  |  |
Interest Rate Swap | Cash Flow Hedging | Scenario, Forecast |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  | $ 200,000,000.0 |  |  |
Interest Rate Swap | Cash Flow Hedging | Scenario, Forecast | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  |  | 0.90% |  |  |
Foreign Currency Forward Contracts |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount | 134,600,000 |  | 134,600,000 |  |  |  | $ 268,600,000 |  |
Cross currency swap |  |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 100,000,000.0 |
Derivative, fixed interest rate |  |  |  |  |  |  |  | 2.35% |
Interest expense, net | $ 600,000 | $ 600,000 | $ 1,200,000 | $ 1,200,000 |  |  |  |  |

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