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STOCK-BASED COMPENSATION - Additional Information (Details)
$ in Millions
12 Months Ended
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized expense $ 1.0  
SARs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
Unrecognized compensation expense $ 0.2  
Weighted average period of recognition 2 years 6 months  
SARs | Former Chief Executive Officer    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 2 years  
SARs | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
SARs | Tranche Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
SARs | Tranche Three    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 60.00%  
Employee Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
Weighted average period of recognition 2 years 8 months 12 days  
Expiration period 10 years  
Employee Stock Option | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
Employee Stock Option | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 5 years  
Employee Stock Option | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
Employee Stock Option | Tranche Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
Employee Stock Option | Tranche Three    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 60.00%  
RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
Unrecognized compensation expense $ 1.0  
Weighted average period of recognition 1 year 10 months 24 days  
RSUs | Non-Employee Directors    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 1 year  
RSUs | Minimum | Grant Date Anniversary    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
RSUs | Minimum | Period After Grant Date    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 1 year  
RSUs | Median | Period After Grant Date    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years  
RSUs | Maximum | Grant Date Anniversary    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 5 years  
RSUs | Maximum | Period After Grant Date    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 5 years  
RSUs | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
RSUs | Tranche Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 20.00%  
RSUs | Tranche Three    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting 60.00%  
PSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting or performance period 3 years 1 year 9 months 18 days
Award settlement amount   $ 0.3
2018 Long Term Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares available for issuance (in shares) | shares 3,818,895  
Full value awards, appreciation multiplier 2.0  
Number of shares available for grant (in shares) | shares 2,793,494  
Participants' age required under award vesting terms 62 years  
Employees' age required under award vesting terms 55 years  
Number of years of continuous service to be completed by an employee under award vesting terms 15 years