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Postretirement Plans (Tables) | 6 Months Ended
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Jun. 30, 2024
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Cost | The components of net periodic benefit (income)/cost were as follows:
| Six months ended June 30 |  | Three months ended June 30
Pension Plans | 2024 |  | 2023 |  | 2024 |  | 2023
Service cost | $3 |  |  | $2 |  |  | $1 |  |  | $1 |
Interest cost | 1,318 |  |  | 1,410 |  |  | 659 |  |  | $705 |
Expected return on plan assets | (1,656) |  |  | (1,720) |  |  | (827) |  |  | (859) |
Amortization of prior service credits | (41) |  |  | (41) |  |  | (21) |  |  | (21) |
Recognized net actuarial loss | 134 |  |  | 83 |  |  | 67 |  |  | 41 |
Net periodic benefit income | ($242) |  |  | ($266) |  |  | ($121) |  |  | ($133) |
Net periodic benefit cost included in Loss from operations | $3 |  |  | $2 |  |  | $1 |  |  | $1 |
Net periodic benefit income included in Other income, net | (245) |  |  | (268) |  |  | (122) |  |  | ($134) |
Net periodic benefit income included in Loss before income taxes | ($242) |  |  | ($266) |  |  | ($121) |  |  | ($133) |
| Six months ended June 30 |  | Three months ended June 30
Other Postretirement Plans | 2024 |  | 2023 |  | 2024 |  | 2023
Service cost | 25 |  |  | $24 |  |  | $13 |  |  | $12 |
Interest cost | 62 |  |  | 74 |  |  | 31 |  |  | 37 |
Expected return on plan assets | (6) |  |  | (4) |  |  | (4) |  |  | (2) |
Amortization of prior service credits | (5) |  |  | (11) |  |  | (2) |  |  | (5) |
Recognized net actuarial gain | (88) |  |  | (88) |  |  | (44) |  |  | (44) |
Net periodic benefit income | ($12) |  |  | ($5) |  |  | ($6) |  |  | ($2) |
Net periodic benefit cost included in Loss from operations | 23 |  |  | $31 |  |  | $12 |  |  | $16 |
Net periodic benefit income included in Other income, net | (37) |  |  | (29) |  |  | (19) |  |  | (14) |
Net periodic benefit (income)/cost included in Loss before income taxes | ($14) |  |  | $2 |  |  | ($7) |  |  | $2 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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