DEBT (Details) - USD ($)	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount	$ 300,000.0
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	685,000,000.0
Amount outstanding	$ 467,700,000
Extension period	1 year
Interest rate, percentage	3.50%
Commitment fee percentage	0.50%
Unused borrowing capacity, fee	$ 400,000	$ 400,000
Interest rate, effective percentage	5.00%		5.80%
Unused amount available	$ 182,500,000
Additional borrowing capacity	34,500,000
Debt covenants minimum net worth	$ 325,000,000
Fixed conversion ratio	2.75
Debt covenant, maximum ratio of total debt	2.0
Debt covenant, maximum collateral performance indicator percentage	24.00%
Expiration period	30 days
Minimum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Interest rate, percentage	4.50%