DEBT - Interest and Other, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Interest expense	$ 31.1	$ 29.5	$ 96.9	$ 78.9
2024 Notes
Debt Instrument [Line Items]
Interest expense	2.8	8.3	12.2	23.3
2025 Notes
Debt Instrument [Line Items]
Interest expense	5.3	5.3	16.0	15.1
2026 Notes
Debt Instrument [Line Items]
Interest expense	6.2	0.0	17.8	0.0
2027 Notes
Debt Instrument [Line Items]
Interest expense	5.6	5.6	16.7	15.8
2028 Notes
Debt Instrument [Line Items]
Interest expense	6.2	0.0	17.7	0.0
2032 Notes
Debt Instrument [Line Items]
Interest expense	5.0	5.0	15.0	14.2
Term Loan
Debt Instrument [Line Items]
Interest expense	0.0	2.9	1.5	6.4
2022 Credit Agreement
Debt Instrument [Line Items]
Interest expense	$ 0.0	$ 2.4	$ 0.0	$ 4.1