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Debt and Credit Arrangements - Schedule of Debt (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 2,922.2 | $ 2,920.6
Less: current portion | 0.1 | 0.1
Long-term debt, excluding current portion | $ 2,922.1 | 2,920.5
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $0.6 and $1.5, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.65% |
Unamortized discount | $ 0.6 |
Unamortized issuance costs | $ 1.5 |
Effective Interest Rate | 4.78% |
Total long-term debt | $ 497.9 | 497.6
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $2.0 and $2.9, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.75% |
Unamortized discount | $ 2.0 |
Unamortized issuance costs | $ 2.9 |
Effective Interest Rate | 4.92% |
Total long-term debt | $ 645.1 | 644.6
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.5 and $2.6, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.40% |
Unamortized discount | $ 0.5 |
Unamortized issuance costs | $ 2.6 |
Effective Interest Rate | 2.512% |
Total long-term debt | $ 496.9 | 496.6
5.375% Senior Notes due 2033 (less unamortized discount and issuance costs of $3.1 and $2.5, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.375% |
Unamortized discount | $ 3.1 |
Unamortized issuance costs | $ 2.5 |
Effective Interest Rate | 5.65% |
Total long-term debt | $ 294.3 | 294.0
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $0.9 and $4.5, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.375% |
Unamortized discount | $ 0.9 |
Unamortized issuance costs | $ 4.5 |
Effective Interest Rate | 3.448% |
Total long-term debt | $ 494.6 | 494.4
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.5 and $4.3, respectively) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.40% |
Unamortized discount | $ 2.5 |
Unamortized issuance costs | $ 4.3 |
Effective Interest Rate | 5.48% |
Total long-term debt | $ 493.2 | 493.1
Other notes payable and finance leases |  |
Debt Instrument [Line Items] |  |
Total long-term debt | $ 0.2 | $ 0.3

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