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POST-RETIREMENT BENEFITS (Details) - 401(k) Retirement Savings Plan - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Monthly employee contributions (as a percent of compensation) 30.00%    
Monthly matching employer contributions (as a percent of compensation) 4.00%    
Plan expense $ 12.8 $ 12.1 $ 11.2