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STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation expense   $ 4.4 $ 4.1 $ 14.2 $ 12.1      
Total unrecognized compensation cost   $ 24.9   $ 24.9        
Share-based Compensation Award, Tranche One [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Performance-based awards outstanding (in shares)   17,507   17,507        
Performance-based Awards - Peer Group Total Shareholder Return [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Performance-based awards outstanding (in shares)   177,798   177,798        
Scenario, Forecast [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation expense $ 4.8         $ 0.7 $ 6.7 $ 12.7