TREASURY STOCK (Details) - USD ($) $ in Thousands	9 Months Ended		30 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Oct. 24, 2017	May 19, 2015
Equity, Class of Treasury Stock [Line Items]
Shares repurchased during the period, value	$ 200,000	$ 79,289
Share repurchase program, May 2015
Equity, Class of Treasury Stock [Line Items]
Stock authorized to repurchase under stock repurchase program (in shares)					20,000,000
Shares repurchased during the period (in shares)	5,802,788		19,029,350
Shares repurchased during the period, value	$ 200,000		$ 580,000
Stock remaining to be purchased (in shares)	970,650		970,650
Share repurchase program, October 2017
Equity, Class of Treasury Stock [Line Items]
Stock authorized to repurchase under stock repurchase program (in shares)				25,000,000
Restricted stock units
Equity, Class of Treasury Stock [Line Items]
Shares paid for tax withholding	385,454
Cost related to tax withholding	$ 13,000