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EMPLOYEE BENEFIT PLANS - Target Allocation and Asset Allocation for the Pension Plan (Details)	Sep. 30, 2025	Sep. 30, 2024
United States
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	100.00%
Asset allocation	100.00%	100.00%
Defined Benefit Plan, Equity Securities, US | United States
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	4.00%
Asset allocation	5.00%	10.00%
Defined Benefit Plan, Equity Securities, Non-US | United States
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	5.00%
Asset allocation	5.00%	5.00%
Defined Benefit Plan, Equity Securities, Non-US | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	10.00%
Diversified Growth Fund | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	13.00%
Fixed Income Funds | United States
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	91.00%
Asset allocation	90.00%	85.00%
Gilts (UK government bonds) | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	4.00%
Corporate bonds | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	2.00%
Strategic Income Fund | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	13.00%
Liability-Driven Investments (LDI) | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	27.00%
Absolute Return Credit Fund | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	25.00%
Cash | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	6.00%

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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