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Retirement Plans | 3 Months Ended
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Mar. 31, 2024
Retirement Benefits [Abstract] |
Retirement Plans | Note 6—Retirement Plans We have a frozen noncontributory, unfunded retirement plan for certain retirees in the U.S. (U.S. Retirement Plan). As of March 31, 2024 and December 31, 2023, the accumulated benefit obligation of the U.S. Retirement Plan was $33.7 million and $34.1 million. Certain of our foreign subsidiaries also have defined benefit pension plans covering substantially all of their respective teammates. The components of net periodic benefit cost for the three months ended March 31, 2024 and 2023 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
​ |  | 2024 |  | 2023
Service cost | ​ | $ | 458 | ​ | $ | 441
Interest cost | ​ | ​ | 645 | ​ | ​ | 710
Recognized net actuarial loss | ​ |  | 81 | ​ |  | 123
Net periodic benefit cost | ​ | $ | 1,184 | ​ | $ | 1,274
​

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