STOCK-BASED COMPENSATION - Stock Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	$ 37,943	$ 37,288	$ 26,897
Income tax benefit	(9,304)	(9,097)	(6,557)
Total stock-based compensation, net of tax	28,639	28,191	20,340
RSUs, LTIP PSUs And Grants To Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	37,292	36,783	26,387
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	19,758	15,935	13,249
LTIP PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	15,676	18,941	11,275
Grants to Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	1,858	1,907	1,863
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation, pre-tax	$ 651	$ 505	$ 510