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SHORT-TERM AND LONG-TERM DEBT (Tables) | 9 Months Ended
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Sep. 30, 2025
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 September 30, 2025, and December 31, 2024:
September 30, 2025 | Principal |  | Unamortized Debt Issuance Costs |  | Total
Millions |  |  |  |  |
Short-Term Debt | $138.1 |  |  | — |  | $138.1 |
Long-Term Debt | 2,109.4 |  |  | $(10.5) |  | 2,098.9 |
Total Debt | $2,247.5 |  |  | $(10.5) |  | $2,237.0 |
December 31, 2024 |  |  |  |  |
Millions |  |  |  |  |
Short-Term Debt | $94.7 |  |  | — |  | $94.7 |
Long-Term Debt | 1,713.3 |  |  | $(8.6) |  | 1,704.7 |
Total Debt | $1,808.0 |  |  | $(8.6) |  | $1,799.4 |
Schedule of Long-Term Debt Instruments | The Bonds were issued in four series as follows:
Maturity Date | Principal Amount | Interest Rate
July 9, 2032 | $50 million | 5.37%
July 9, 2035 | $75 million | 5.69%
July 9, 2037 | $50 million | 5.79%
July 9, 2055 | $75 million | 6.34%

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