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POST-RETIREMENT BENEFIT PLANS - Fair Value of the Pension Plans Investments (Details) - USD ($) $ in Millions | 11 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Oct. 31, 2024
Change in plan assets: |  |
Fair value of plan assets at beginning of year | $ 663.4 |
Fair value of plan assets at end of year | 674.8 | $ 663.4
Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 640.9 | 584.0
Actual return on plan assets | 38.1 | 96.9
Expenses paid | (2.9) | (3.2)
Plan participant contributions | 0.2 | 0.2
Foreign currency impact | 7.0 | 8.7
Employer contributions | 1.0 | 3.4
Benefits paid out of plan | (45.0) | (45.3)
Other |  | (3.8)
Fair value of plan assets at end of year | 639.3 | 640.9
United States | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 482.8 | 431.6
Actual return on plan assets | 41.6 | 88.5
Expenses paid | (1.9) | (1.5)
Plan participant contributions | 0.0 | 0.0
Foreign currency impact | 0.0 | 0.0
Employer contributions | 0.0 | 0.0
Benefits paid out of plan | (36.1) | (35.8)
Other |  | 0.0
Fair value of plan assets at end of year | 486.4 | 482.8
Foreign Plan | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 158.1 | 152.4
Actual return on plan assets | (3.5) | 8.4
Expenses paid | (1.0) | (1.7)
Plan participant contributions | 0.2 | 0.2
Foreign currency impact | 7.0 | 8.7
Employer contributions | 1.0 | 3.4
Benefits paid out of plan | (8.9) | (9.5)
Other |  | (3.8)
Fair value of plan assets at end of year | $ 152.9 | $ 158.1

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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