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EMPLOYEE BENEFIT PLANS (Target Allocations and Weighted Average Asset Allocations) (Details) - Retirement Income
Jun. 30, 2021
Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocations 100.00% 100.00%
Actual plan asset allocations 100.00% 100.00%
U.S. equity    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocations 3.00% 5.00%
Actual plan asset allocations 3.00% 5.00%
International equity    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocations 2.00% 5.00%
Actual plan asset allocations 2.00% 5.00%
Fixed income    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocations 95.00% 90.00%
Actual plan asset allocations 94.00% 90.00%
Other    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocations 0.00% 0.00%
Actual plan asset allocations 1.00% 0.00%