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Long-Term Debt | 3 Months Ended
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Mar. 31, 2025
Debt Disclosure [Abstract] |
Long-term Debt | 5. LONG-TERM DEBT The principal components of long-term debt are as follows (in millions):
| March 31, 2025 |  | December 31, 2024
3.3%, Senior Notes due 2027 | $ | 400.0 |  |  | $ | 400.0 |
3.7%, Senior Notes due 2032 | 800.0 |  |  | 800.0 |
Less unamortized discounts and debt issuance costs | (8.3) |  |  | (8.8) |
Long-term debt less unamortized discounts and debt issuance costs | 1,191.7 |  |  | 1,191.2 |
Finance leases and other debt | 10.2 |  |  | 10.4 |
Less current maturities | (1.2) |  |  | (1.2) |
Long-term debt | $ | 1,200.7 |  |  | $ | 1,200.4 |

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/470/tableOfContent + Details
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