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SHARE-BASED COMPENSATION, Stock Option and Restricted Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended 55 Months Ended 115 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2022
Mar. 31, 2022
Stock Option Activity [Abstract]          
Stock options granted (in shares) 0 0 0    
Options outstanding (in shares) 0 0 0 0 0
Additional Disclosures [Abstract]          
Vested share-based awards withheld to satisfy income tax obligations (in shares) 55,430 75,280      
Vested share-based awards withheld to satisfy income tax obligations $ 2.6 $ 2.7      
Restricted Stock [Member]          
Number of Shares [Roll Forward]          
Nonvested at beginning of period (in shares) 366,756        
Granted (in shares) 170,038        
Vested (in shares) (185,716)        
Forfeited (in shares) (7,272)        
Nonvested at end of period (in shares) 343,806 366,756   343,806 343,806
Weighted Average Grant-date Fair Value [Roll Forward]          
Nonvested at beginning of period (in dollars per share) $ 37.49        
Granted (in dollars per share) 46.56 $ 35.95 $ 36.47    
Vested (in dollars per share) 39.19        
Forfeited (in dollars per share) 34.07        
Nonvested at end of period (in dollars per share) $ 41.01 $ 37.49   $ 41.01 $ 41.01
Aggregated fair value of restricted shares $ 7.1 $ 7.7 $ 7.6    
Additional Disclosures [Abstract]          
Vested share-based awards withheld to satisfy income tax obligations (in shares) 55,430 75,280      
Vested share-based awards withheld to satisfy income tax obligations $ 2.6 $ 2.7      
2017 Director LTIP [Member] | Restricted Stock [Member]          
Number of Shares [Roll Forward]          
Granted (in shares) 14,316     81,476  
2012 Employee LTIP [Member] | Restricted Stock [Member]          
Number of Shares [Roll Forward]          
Granted (in shares) 155,722       2,144,578
2021 Employee LTIP [Member] | Restricted Stock [Member]          
Number of Shares [Roll Forward]          
Granted (in shares) 0