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Pension Benefit Plans | 3 Months Ended
--- | ---
Mar. 31, 2024
Retirement Benefits [Abstract] |
Pension Benefit Plans | 8. Pension Benefit Plans: The components of net periodic benefit cost for pension benefits were as follows (in millions):
|  |  | For the Three Months Ended March 31,
|  |  |  |  | 2024 |  | 2023
Service cost |  |  |  |  | $ | 0.4 |  |  | $ | 0.6 |
Interest cost |  |  |  |  | 2.2 |  |  | 2.2 |
Expected return on plan assets |  |  |  |  | (1.9) |  |  | (2.4) |
Recognized actuarial loss |  |  |  |  | 0.3 |  |  | 0.2 |
Other |  |  |  |  | 0.1 |  |  | (0.1) |
Settlements and curtailments |  |  |  |  | — |  |  | 0.2 |
Net periodic benefit cost |  |  |  |  | $ | 1.1 |  |  | $ | 0.7 |

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