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EMPLOYEE BENEFIT PLANS - Plan Assets and Investment Policy (Details)
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Plan Assets and Investment Policy    
Expected Rate of Return (as a percent) 4.20% 4.20%
Combined    
Plan Assets and Investment Policy    
Proportion of Fair Value (as a percent) 100.00% 100.00%
Expected Rate of Return (as a percent) 4.20% 4.20%
Equity securities    
Plan Assets and Investment Policy    
Proportion of Fair Value (as a percent) 85.00% 83.00%
Expected Rate of Return (as a percent) 4.90% 4.90%
Debt securities    
Plan Assets and Investment Policy    
Proportion of Fair Value (as a percent) 14.00% 16.00%
Expected Rate of Return (as a percent) 0.80% 0.80%
Cash    
Plan Assets and Investment Policy    
Proportion of Fair Value (as a percent) 1.00% 1.00%
Expected Rate of Return (as a percent) 0.40% 0.40%