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POST-RETIREMENT BENEFIT PLANS - Additional Information (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2021 USD ($) shares | Oct. 31, 2020 USD ($) shares | Oct. 31, 2019 USD ($) | Dec. 31, 2019 plan
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company's pension contributions | $ 21.9 |  |  |
Expected Return on plan assets | 3.87% | 4.64% | 4.12% |
Fair value of plan assets | $ 950.8 | $ 1,002.1 |  |
Class A common stock |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Common stock shares authorized (shares) | shares | 128,000,000 | 128,000,000 |  |
Class B common stock |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Common stock shares authorized (shares) | shares | 69,120,000 | 69,120,000 |  |
Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company's pension contributions | $ 17.8 | $ 26.4 | $ 26.5 |
Company's pension contributions paid directly by the Company | 4.1 |  |  |
Company's estimated pension contributions | 35.5 |  |  |
Settlement, gain (loss) | (9.1) | (0.3) |  |
Actuarial loss (gain) | (0.3) | (17.4) |  |
Fair value of plan assets | 950.8 | 1,002.1 | 1,017.0 |
Income for its post-retirement benefit plans | 20.5 | 14.2 | 13.3 |
Aggregated accumulated benefit obligation | 961.0 | $ 1,086.1 |  |
Pension Plan | Class A common stock |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Common stock shares authorized (shares) | shares |  | 51,576 |  |
Pension Plan | Class B common stock |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Common stock shares authorized (shares) | shares |  | 30,930 |  |
Other Postretirement Benefits Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company's pension contributions paid directly by the Company | 1.0 | $ 0.9 | 0.9 |
Company's estimated pension contributions | 1.3 |  |  |
Income for its post-retirement benefit plans | 0.1 | (0.2) | (1.1) |
Aggregated accumulated benefit obligation | 11.0 | 11.6 |  |
United States |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined benefit plan, annuity | 98.8 |  |  |
Lump sum payments | 13.9 |  |  |
Decrease for settlement | 112.7 |  |  |
Settlement, gain (loss) | (8.8) |  |  |
United States | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement, gain (loss) | (8.8) | 0.1 |  |
Actuarial loss (gain) | (17.1) | (14.6) |  |
Fair value of plan assets | 646.4 | 687.0 | 698.7 |
Income for its post-retirement benefit plans | 19.1 | 12.5 | 12.5 |
Aggregated accumulated benefit obligation | 655.4 | 760.3 |  |
United States | Pension Plan | Two US Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company's pension contributions | 44.3 |  |  |
Decrease for settlement | 44.3 |  |  |
Settlement, gain (loss) | 0.1 |  |  |
Number of plans | plan |  |  |  | 2
Foreign Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement, gain (loss) | (0.3) |  |  |
401 (k) Savings Plan |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Company contributions to 401(k) plans | $ 21.9 | $ 25.2 | $ 21.8 |

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