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Short-Term and Long-Term Debt (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt Disclosure [Abstract] |
Schedule of Short-Term and Long-Term Debt | The following tables present the Company’s short-term and long-term debt as of March 31, 2024, and December 31, 2023:
March 31, 2024 | Principal |  | Unamortized Debt Issuance Costs |  | Total
Millions |  |  |  |  |
Short-Term Debt | $17.2 |  |  | — |  | $17.2 |
Long-Term Debt | 1,780.1 |  |  | $(7.7) |  | 1,772.4 |
Total Debt | $1,797.3 |  |  | $(7.7) |  | $1,789.6 |
December 31, 2023 | Principal |  | Unamortized Debt Issuance Costs |  | Total
Millions |  |  |  |  |
Short-Term Debt | $111.5 |  |  | $(0.1) |  | $111.4 |
Long-Term Debt | 1,687.9 |  |  | (8.0) |  | 1,679.9 |
Total Debt | $1,799.4 |  |  | $(8.1) |  | $1,791.3 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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