EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Antidilutive Securities Excluded from EPS Calculation (Details) - $ / shares	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares	2,729,888	2,150,235	2,791,193	1,720,164
Weighted average exercise price - antidilutive	$ 38.12	$ 28.51	$ 39.88	$ 32.90
Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares	681,571	404,772	432,596	486,340
Weighted average exercise price - antidilutive	$ 8.67	$ 15.06	$ 23.25	$ 27.92