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v3.24.3

Debt - Debt Obligations (Details) - USD ($) $ in Millions | Sep. 30, 2024 | May 31, 2024 | Mar. 31, 2024
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 6,454.2 |  | $ 6,019.2
Less: Debt discount | (12.7) |  | (13.9)
Less: Debt issuance costs | (18.6) |  | (5.5)
Net long-term debt including current maturities | 6,422.9 |  | 5,999.8
Less: Current maturities | (1,946.3) |  | (999.4)
Net long-term debt | 4,476.6 |  | 5,000.4
Senior Indebtedness |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 4,494.0 |  | 5,309.0
Senior Indebtedness | 0.983% 2024 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 0.983% |  |
Effective Interest Rate | 1.10% |  |
Long-term debt | $ 0.0 |  | 1,000.0
Less: Debt discount | 0.0 |  | (0.4)
Less: Debt issuance costs | $ 0.0 |  | (0.2)
Senior Indebtedness | 4.250% 2025 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 4.25% |  |
Effective Interest Rate | 4.60% |  |
Long-term debt | $ 1,200.0 |  | 1,200.0
Less: Debt discount | (2.9) |  | (4.4)
Less: Debt issuance costs | $ (0.4) |  | (0.6)
Senior Indebtedness | 5.050% 2029 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 5.05% |  |
Effective Interest Rate | 5.20% |  |
Long-term debt | $ 1,000.0 |  | 1,000.0
Less: Debt discount | (4.8) |  | (5.2)
Less: Debt issuance costs | (2.0) |  | (2.2)
Commercial Paper |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | 1,544.0 |  | 1,359.0
Less: Debt discount | (5.0) |  | (3.9)
Term Loan Facility |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | 750.0 |  | 750.0
Less: Debt issuance costs | (0.4) |  | (0.7)
Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 1,960.2 |  | 710.2
Senior Subordinated Convertible Debt | 2015 Senior Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 1.625% |  |
Effective Interest Rate | 1.80% |  |
Long-term debt | $ 6.7 |  | 6.7
Senior Subordinated Convertible Debt | 2017 Senior Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 1.625% |  |
Effective Interest Rate | 1.80% |  |
Long-term debt | $ 38.0 |  | 38.0
Less: Debt issuance costs | $ (0.1) |  | (0.1)
Senior Subordinated Convertible Debt | 2020 Senior Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 0.125% |  |
Effective Interest Rate | 0.50% |  |
Long-term debt | $ 665.5 |  | 665.5
Less: Debt issuance costs | $ (0.3) |  | (1.7)
Senior Subordinated Convertible Debt | 2024 Senior Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Interest Rate | 0.75% |  |
Effective Interest Rate | 1.00% |  |
Long-term debt | $ 1,250.0 |  | 0.0
Less: Debt issuance costs | $ (15.4) | $ (16.5) | $ 0.0

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