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PENSION AND POSTRETIREMENT PLANS - Schedule of Asset Allocations and Weighted-Average Target Allocations (Details) - Pension Plan | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 100.00% | 100.00%
Defined benefit plan, target plan asset allocations | 100.00% |
U.S. Plans | Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 29.00% | 29.00%
U.S. Plans | Equity securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 25.00% |
U.S. Plans | Equity securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 35.00% |
U.S. Plans | Debt securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 63.00% | 63.00%
U.S. Plans | Debt securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 60.00% |
U.S. Plans | Debt securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 70.00% |
U.S. Plans | Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 8.00% | 8.00%
U.S. Plans | Other | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 0.00% |
U.S. Plans | Other | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 10.00% |
Non-U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 100.00% | 100.00%
Defined benefit plan, target plan asset allocations | 100.00% |
Non-U.S. Plans | Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 12.00% | 7.00%
Non-U.S. Plans | Equity securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 5.00% |
Non-U.S. Plans | Equity securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 15.00% |
Non-U.S. Plans | Debt securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 69.00% | 69.00%
Non-U.S. Plans | Debt securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 65.00% |
Non-U.S. Plans | Debt securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 75.00% |
Non-U.S. Plans | Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations | 19.00% | 24.00%
Non-U.S. Plans | Other | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 15.00% |
Non-U.S. Plans | Other | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, target plan asset allocations | 25.00% |

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