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DEBT (Details) - USD ($)
3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2019
Line of Credit Facility [Line Items]      
Letters of Credit Outstanding, Amount $ 300,000    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
Debt Instrument, Interest Rate, Effective Percentage 6.10%   6.70%
Debt Instrument, Unused Borrowing Capacity, Fee $ 300,000 $ 300,000  
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity 685,000,000.0    
Amount outstanding $ 326,400,000    
Reference rate LIBOR    
Unused amount available $ 351,500,000    
Expiration date Jun. 07, 2022    
Minimum [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.00%    
Maximum [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.00%