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EMPLOYEE BENEFIT PLANS - MIX AND TARGETED ALLOCATION (Details)
Sep. 30, 2022
Sep. 30, 2021
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 34.00%  
Assets 32.00% 36.00%
International equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 17.00%  
Assets 16.00% 17.00%
Fixed income    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 33.00%  
Assets 32.00% 40.00%
Collective investment trusts at NAV    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocation 16.00%  
Assets 20.00% 7.00%