EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Antidilutive Securities Excluded from EPS Calculation (Details) - $ / shares	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares	3,197,023	2,849,429
Weighted average exercise price - antidilutive	$ 26.56	$ 35.43
Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares	684,324	567,143
Weighted average exercise price - antidilutive	$ 8.01	$ 14.54