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POST-RETIREMENT BENEFIT PLANS - Fair Value Measurements for Pension Assets (Details) - USD ($) $ in Millions | Oct. 31, 2023 | Oct. 31, 2022
--- | --- | ---
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | $ 584.0 | $ 624.6
Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 292.3 | 351.0
Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 47.4 | 78.9
Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 244.9 | 272.1
Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Mutual funds | Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 59.8 | 120.9
Mutual funds | Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 35.5 | 62.9
Mutual funds | Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 24.3 | 58.0
Mutual funds | Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Cash | Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 11.9 | 16.0
Cash | Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 11.9 | 16.0
Cash | Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Cash | Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Corporate bonds | Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 159.1 | 160.5
Corporate bonds | Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Corporate bonds | Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 159.1 | 160.5
Corporate bonds | Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Corporate bonds | Investments Measured at Net Asset Value |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 120.4 | 123.4
Government bonds | Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 57.5 | 51.6
Government bonds | Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Government bonds | Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 57.5 | 51.6
Government bonds | Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Other assets | Fair Value, Inputs, Level 1, Level 2, and Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 4.0 | 2.0
Other assets | Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Other assets | Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 4.0 | 2.0
Other assets | Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 0.0 | 0.0
Insurance contracts | Investments Measured at Net Asset Value |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | 87.9 | 72.9
Common stock | Investments Measured at Net Asset Value |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Asset Category | $ 83.4 | $ 77.3

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