DEBT - Short-term Debt (Details) - USD ($) $ in Millions |
Mar. 31, 2024 |
Jun. 05, 2023 |
Mar. 31, 2023 |
|---|---|---|---|
| Short-Term Debt [Line Items] | |||
| Total | $ 24.6 | $ 1,350.0 | |
| Unamortized discount and issuance costs | 0.0 | (3.2) | |
| Short-term debt, net | 24.6 | 1,346.8 | |
| Significant other observable inputs (level 2) | |||
| Short-Term Debt [Line Items] | |||
| Total | $ 24.6 | $ 1,328.2 | |
| 2024 Convertible Notes | |||
| Short-Term Debt [Line Items] | |||
| Annual Interest Rate | 0.25% | 0.25% | |
| Short-term debt, net | $ 24.6 | ||
| 2024 Convertible Notes | Significant other observable inputs (level 2) | |||
| Short-Term Debt [Line Items] | |||
| Total | $ 24.6 | ||
| 2024 Notes | |||
| Short-Term Debt [Line Items] | |||
| Annual Interest Rate | 3.30% | ||
| Total | $ 1,000.0 | ||
| Short-term debt, net | $ 350.0 | ||
| 2024 Notes | Significant other observable inputs (level 2) | |||
| Short-Term Debt [Line Items] | |||
| Total | $ 978.2 | ||
| Term Loan | |||
| Short-Term Debt [Line Items] | |||
| Annual Interest Rate | 3.60% | ||
| Total | $ 350.0 | ||
| Term Loan | Significant other observable inputs (level 2) | |||
| Short-Term Debt [Line Items] | |||
| Total | $ 350.0 |