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POST-RETIREMENT BENEFIT PLANS - Change in Projected Benefit Obligation (Details) - Pension Plan - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | $ 604.1 | $ 651.7 |
Service cost | 6.8 | 8.0 | $ 11.5
Interest cost | 34.9 | 35.0 | 19.9
Plan participant contributions | 0.2 | 0.2 |
Expenses paid from assets | (3.2) | (3.4) |
Actuarial gain (loss) | 52.8 | (24.3) |
Foreign currency effect | 8.5 | 9.7 |
Benefits paid | (49.9) | (65.1) |
Settlements |  | (7.7) |
Other | (0.1) |  |
Benefit obligation at end of year | 654.1 | 604.1 | 651.7
United States |  |  |
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | 437.5 | 470.3 |
Service cost | 5.3 | 6.5 | 10.0
Interest cost | 26.7 | 26.8 | 16.1
Plan participant contributions | 0.0 | 0.0 |
Expenses paid from assets | (1.5) | (1.7) |
Actuarial gain (loss) | 40.8 | (12.8) |
Foreign currency effect | 0.0 | 0.0 |
Benefits paid | (38.9) | (51.6) |
Settlements |  | 0.0 |
Other | 0.0 |  |
Benefit obligation at end of year | 469.9 | 437.5 | 470.3
Foreign Plan |  |  |
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | 166.6 | 181.4 |
Service cost | 1.5 | 1.5 | 1.5
Interest cost | 8.2 | 8.2 | 3.8
Plan participant contributions | 0.2 | 0.2 |
Expenses paid from assets | (1.7) | (1.7) |
Actuarial gain (loss) | 12.0 | (11.5) |
Foreign currency effect | 8.5 | 9.7 |
Benefits paid | (11.0) | (13.5) |
Settlements |  | (7.7) |
Other | (0.1) |  |
Benefit obligation at end of year | $ 184.2 | $ 166.6 | $ 181.4

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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480266/715-60-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(6) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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