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DEBT (Details) - USD ($)
9 Months Ended
Dec. 31, 2018
Mar. 31, 2018
Line of Credit Facility [Line Items]    
Letters of Credit Outstanding, Amount $ 300,000  
Basis spread on variable rate (in hundredths) 4.00%  
Debt Instrument, Interest Rate, Effective Percentage 6.78% 5.98%
Debt Instrument, Unused Borrowing Capacity, Fee $ 0.0050  
Revolving Credit Facility [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 480,000,000  
Amount outstanding $ 308,000,000  
Reference rate LIBOR  
Unused amount available $ 171,700,000  
Expiration date Jun. 15, 2020  
Base Rate [Member]    
Line of Credit Facility [Line Items]    
Reference rate .04