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Postretirement benefits | 9 Months Ended
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Sep. 30, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Postretirement benefits |
NOTE 11: POSTRETIREMENT BENEFITS
We have historically provided certain health care benefits for eligible retired U.S. employees. In addition to our retiree health care plan, we also have a U.S. supplemental executive retirement plan. Further information regarding our postretirement benefit plans can be found under the caption “Note 12: Postretirement Benefits” in the Notes to Consolidated Financial Statements appearing in the 2023 Form 10-K. Postretirement benefit income is included in other income, net on the consolidated statements of comprehensive income (loss) and consisted of the following components:
|  | Quarter Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Interest cost |  | $ | 435 |  |  | $ | 496 |  |  | $ | 1,306 |  |  | $ | 1,489 |
Expected return on plan assets |  | (2,099) |  |  | (1,830) |  |  | (6,296) |  |  | (5,490) |
Amortization of prior service credit |  | (355) |  |  | (355) |  |  | (1,066) |  |  | (1,066) |
Amortization of net actuarial losses |  | 334 |  |  | 568 |  |  | 1,001 |  |  | 1,705 |
Net periodic benefit income |  | $ | (1,685) |  |  | $ | (1,121) |  |  | $ | (5,055) |  |  | $ | (3,362) |

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