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v3.23.1

Debt and Credit Arrangements (Tables) | 3 Months Ended
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Mar. 31, 2023
Debt Disclosure [Abstract] |
Summary of Carrying Amounts and Fair Values of Long-term Debt | A summary of the carrying amounts of our long-term debt is listed below.
| Effective Interest Rate |  | March 31, 2023 |  | December 31, 2022
4.200% Senior Notes due 2024 (less unamortized discount and issuance costs of $0.1 and $0.2, respectively) | 4.240% |  | $ | 249.7 |  |  | $ | 249.7 |
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $1.0 and $2.5, respectively) | 4.780% |  | 496.5 |  |  | 496.4 |
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $2.8 and $4.3, respectively) | 4.920% |  | 642.9 |  |  | 642.6 |
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.7 and $3.7, respectively) | 2.512% |  | 495.6 |  |  | 495.5 |
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $1.0 and $5.2, respectively) | 3.448% |  | 493.8 |  |  | 493.7 |
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.6 and $4.8, respectively) | 5.480% |  | 492.6 |  |  | 492.6 |
Other notes payable and capitalized leases |  |  | 1.0 |  |  | 0.8 |
Total long-term debt |  |  | 2,872.1 |  |  | 2,871.3 |
Less: current portion |  |  | 0.6 |  |  | 0.6 |
Long-term debt, excluding current portion |  |  | $ | 2,871.5 |  |  | $ | 2,870.7 |

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