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v3.24.1.1.u2

Debt - Senior Notes (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2024 | Mar. 07, 2024 | Mar. 31, 2023
Debt Instrument [Line Items] |  |  |  |
Long-term debt | $ 6,019.2 | $ 6,019.2 |  | $ 6,466.6
Debt instrument, unamortized discount | 13.9 | $ 13.9 |  | 10.4
Senior Indebtedness |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument Redemption Price Percentage Change In Control Event |  | 101.00% |  |
Senior Indebtedness | 5.050% 2029 Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument Redemption Price Percentage Change In Control Event |  | 101.00% |  |
Long-term debt | 1,000.0 | $ 1,000.0 |  | 0.0
Debt issuance costs, gross |  |  | $ 2.3 |
Debt instrument, unamortized discount | $ 5.2 | $ 5.2 | $ 5.3 | $ 0.0
Debt instrument, redemption price (percent) |  | 100.00% |  |
Senior Indebtedness | 5.050% 2029 Notes | US Treasury (UST) Interest Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 15.00% |  |  |

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