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Postretirement Plans | 3 Months Ended
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Mar. 31, 2024
Retirement Benefits [Abstract] |
Postretirement Plans | Postretirement Plans The components of net periodic benefit (income)/cost for the three months ended March 31 were as follows:
| Pension |  | Postretirement
| 2024 |  | 2023 |  | 2024 |  | 2023
Service cost | $2 |  |  | $1 |  |  | $12 |  |  | $12 |
Interest cost | 659 |  |  | 705 |  |  | 31 |  |  | 37 |
Expected return on plan assets | (829) |  |  | (861) |  |  | (2) |  |  | (2) |
Amortization of prior service credits | (20) |  |  | (20) |  |  | (3) |  |  | (6) |
Recognized net actuarial loss/(gain) | 67 |  |  | 42 |  |  | (44) |  |  | (44) |
Net periodic benefit income | ($121) |  |  | ($133) |  |  | ($6) |  |  | ($3) |
Net periodic benefit cost included in Loss from operations | $2 |  |  | $1 |  |  | $11 |  |  | $15 |
Net periodic benefit income included in Other income, net | (123) |  |  | (134) |  |  | (18) |  |  | (15) |
Net periodic benefit income included in Loss before income taxes | ($121) |  |  | ($133) |  |  | ($7) |  |  | $0 |

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