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v3.25.2

Pension and Postretirement Benefits | 6 Months Ended
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Jun. 30, 2025
Retirement Benefits [Abstract] |
Pension and Postretirement Benefits | Pension and Postretirement Benefits The components of net periodic benefit (income) expense costs recognized for the three and six months ended June 30, 2025 and 2024 were as follows:
| Pension Benefits |  | Postretirement Benefits
| Three Months Ended June 30, |  | Six Months Ended June 30, |  | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024
| (In millions)
Service costs | $ | 0.9 |  |  | $ | 1.1 |  |  | $ | 1.9 |  |  | $ | 2.3 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest costs | 0.8 |  |  | 0.8 |  |  | 1.7 |  |  | 1.7 |  |  | — |  |  | — |  |  | 0.1 |  |  | 0.1 |
Expected return on plan assets | (2.8) |  |  | (2.6) |  |  | (5.6) |  |  | (5.3) |  |  | — |  |  | — |  |  | (0.1) |  |  | (0.1) |
Recognized net actuarial loss | 0.2 |  |  | 0.4 |  |  | 0.3 |  |  | 0.8 |  |  | — |  |  | — |  |  | — |  |  | 0.1 |
Net periodic benefit (income) expense | $ | (0.9) |  |  | $ | (0.3) |  |  | $ | (1.7) |  |  | $ | (0.5) |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |

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