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Note 4 - Employee Benefit Plans | 3 Months Ended
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Mar. 31, 2024
Disclosure Text Block [Abstract] |
Employee Benefit Plans | Note 4. Employee Benefit Plans We sponsor three defined benefit pension plans, two of which cover substantially all U.S. employees. Net periodic pension (benefit) cost for the plans consisted of the following for the three months ended March 31, 2024 and 2023 (in thousands):
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
Service cost |  | $ | 915 |  |  | $ | 949 |
Interest cost |  |  | 2,076 |  |  |  | 1,993 |
Expected return on plan assets |  |  | (3,136 | ) |  |  | (3,107 | )
Amortization of prior service cost |  |  | 66 |  |  |  | 125 |
Amortization of net loss |  |  | 15 |  |  |  | (47 | )
Net periodic pension (benefit) cost |  | $ | (64 | ) |  | $ | (87 | )
For the three months ended March 31, 2024 and 2023, the service cost component of net periodic pension cost is included in the same line items of our condensed consolidated financial statements as other employee compensation costs. The net benefit related to all other components of net periodic pension cost of $1.0 million for each of the three months ended March 31, 2024, and 2023, is included in other income on our condensed consolidated statements of operations and comprehensive loss.

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