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v3.24.3

Debt - Summary of Debt (Parenthetical) (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023 | Sep. 15, 2024
Debt Instrument [Line Items] |  |  |
Unamortized debt issuance cost | $ 18.4 | $ 19.9 |
Debt instrument, maturity date | Sep. 15, 2024 |  |
3.65% Senior Notes, due September 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  |  | 3.65%
3.65% Senior Notes, due September 2024 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.65% | 3.65% | 3.65%
Senior notes, discount |  | $ 0.1 |
Unamortized debt issuance cost | $ 0.0 | $ 0.3 |
Debt instrument, maturity date | Sep. 15, 2024 | Sep. 15, 2024 |
3.40% Senior Notes, due December 2027 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.40% | 3.40% |
Senior notes, discount | $ 0.6 | $ 0.7 |
Debt instrument, maturity date | Dec. 15, 2027 | Dec. 15, 2027 |
3.00% Senior Notes, due December 2029 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.00% | 3.00% |
Senior notes, discount | $ 0.4 | $ 0.4 |
Debt instrument, maturity date | Dec. 15, 2029 | Dec. 15, 2029 |
5.70% Senior Notes, due December 2033 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 5.70% | 5.70% |
Senior notes, discount | $ 0.3 | $ 0.3 |
Debt instrument, maturity date | Dec. 15, 2033 | Dec. 15, 2033 |
4.05% Senior Notes, due December 2049 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.05% | 4.05% |
Senior notes, discount | $ 3.2 | $ 3.3 |
Debt instrument, maturity date | Dec. 15, 2049 | Dec. 15, 2049 |
3.05% Senior Notes, due October 2051 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.05% | 3.05% |
Senior notes, discount | $ 3.4 | $ 3.5 |
Debt instrument, maturity date | Oct. 15, 2051 | Oct. 15, 2051 |

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