INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Benefit from income taxes	$ 60.7	$ 46.7	$ 117.0	$ 93.1
Effective rate (as a percent)	39.90%		12.20%
Unrecognized tax benefits from a lapse in statute.	$ 40.0		$ 40.0
Benefits from tax credits	4.5		46.5
Expense from geographic mix of earnings	6.8		7.0
Valuation allowance	$ 4.9		86.5
Impairment of nondeductible goodwill			$ 33.5