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v3.25.3

Benefit Plans Asset Holdings (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Defined Benefit Plan Disclosure |  |  |
Target Allocation | 100.00% |  |
Plan Asset Allocations | 100.00% | 100.00% |
Growth Assets |  |  |
Defined Benefit Plan Disclosure |  |  |
Target Allocation | 68.00% |  |
Plan Asset Allocations | 59.00% | 58.00% |
Defensive growth assets |  |  |
Defined Benefit Plan Disclosure |  |  |
Target Allocation | 20.00% |  |
Plan Asset Allocations | 23.00% | 25.00% |
Defensive Assets |  |  |
Defined Benefit Plan Disclosure |  |  |
Target Allocation | 12.00% |  |
Plan Asset Allocations | 18.00% | 17.00% |
Other Post-retirement Benefits |  |  |
Defined Benefit Plan Disclosure |  |  |
Actuarial assumption COLA | $ 0.0277 | $ 0.0444 | $ 0.06

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