STOCK-BASED COMPENSATION Performance targets (Details)	3 Months Ended
	Jun. 30, 2020 USD ($)
Target 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Earnings Per Share Target	$ 16.35
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Vesting Percentage	40.00%
Target 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Earnings Per Share Target	$ 20.45
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Vesting Percentage	60.00%
Target 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Earnings Per Share Target	$ 25.30
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Target, Vesting Percentage	100.00%