EMPLOYEE BENEFIT PLANS - MIX AND TARGETED ALLOCATION (Details)	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	100.00%
Assets	100.00%	100.00%
U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	29.00%
Assets	30.00%	29.00%
International equity securities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	16.00%
Assets	16.00%	16.00%
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	39.00%
Assets	37.00%	38.00%
Collective investment trusts at NAV
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	16.00%
Assets	17.00%	17.00%