INCOME TAXES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	May. 31, 2015	Mar. 31, 2015
Income Tax Examination [Line Items]
Effective tax rate	17.90%	21.30%	21.70%	24.50%
Unrecognized tax benefits	$ 12,500,000		$ 12,500,000			$ 12,800,000
Accrued interest related to unrecognized tax benefits	1,800,000		1,800,000			1,800,000
Accrued penalties	$ 0		$ 0			$ 0
5.50% Senior Notes [Member] | Senior Notes [Member]
Income Tax Examination [Line Items]
Stated interest rate of debt instrument	5.50%		5.50%		5.50%