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Postretirement Plans | 9 Months Ended
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Sep. 30, 2023
Retirement Benefits [Abstract] |
Postretirement Plans | Postretirement Plans The components of net periodic benefit (income)/cost were as follows:
| Nine months ended September 30 |  | Three months ended September 30
Pension Plans | 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | $3 |  |  | $2 |  |  | $1 |  |  |
Interest cost | 2,115 |  |  | 1,561 |  |  | 705 |  |  | $520 |
Expected return on plan assets | (2,581) |  |  | (2,843) |  |  | (861) |  |  | (948) |
Amortization of prior service credits | (61) |  |  | (61) |  |  | (20) |  |  | (20) |
Recognized net actuarial loss | 125 |  |  | 681 |  |  | 42 |  |  | 227 |
Settlement/curtailment gain |  |  | (4) |  |  |  |  | (4) |
Net periodic benefit income | ($399) |  |  | ($664) |  |  | ($133) |  |  | ($225) |
Net periodic benefit cost included in Loss from operations | $3 |  |  | $2 |  |  | $1 |  |  |
Net periodic benefit income included in Other income, net | (402) |  |  | (666) |  |  | (134) |  |  | ($225) |
Net periodic benefit income included in Loss before income taxes | ($399) |  |  | ($664) |  |  | ($133) |  |  | ($225) |
| Nine months ended September 30 |  | Three months ended September 30
Other Postretirement Plans | 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | $36 |  |  | $54 |  |  | $12 |  |  | $18 |
Interest cost | 111 |  |  | 73 |  |  | 37 |  |  | 24 |
Expected return on plan assets | (6) |  |  | (8) |  |  | (2) |  |  | (3) |
Amortization of prior service credits | (17) |  |  | (26) |  |  | (6) |  |  | (9) |
Recognized net actuarial gain | (132) |  |  | (83) |  |  | (44) |  |  | (27) |
Net periodic benefit (income)/cost | ($8) |  |  | $10 |  |  | ($3) |  |  | $3 |
Net periodic benefit cost included in Loss from operations | $47 |  |  | $59 |  |  | $16 |  |  | $20 |
Net periodic benefit income included in Other income, net | (44) |  |  | (44) |  |  | (15) |  |  | (15) |
Net periodic benefit cost included in Loss before income taxes | $3 |  |  | $15 |  |  | $1 |  |  | $5 |

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