INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Provision for (benefit from) income taxes	$ 41.2	$ (33.4)	$ 91.0	$ (56.3)
Effective rate (as a percent)	(12.70%)		(17.00%)
Valuation allowance	$ 104.9		$ 201.8
Expense from geographic mix of earnings	9.9		18.1
Benefits from tax credits	$ 17.2		$ 35.0