DEBT - Interest and Other, Net (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Debt Instrument [Line Items]
Interest expense	$ 132.0	$ 108.6
2024 Notes
Debt Instrument [Line Items]
Interest expense	15.1	31.5
2025 Notes
Debt Instrument [Line Items]
Interest expense	21.3	20.5
2026 Notes
Debt Instrument [Line Items]
Interest expense	24.7	0.0
2027 Notes
Debt Instrument [Line Items]
Interest expense	22.2	21.4
2028 Notes
Debt Instrument [Line Items]
Interest expense	27.2	0.0
2032 Notes
Debt Instrument [Line Items]
Interest expense	20.0	19.2
Term Loan
Debt Instrument [Line Items]
Interest expense	1.5	11.9
2022 Credit Agreement
Debt Instrument [Line Items]
Interest expense	$ 0.0	$ 4.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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