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Note H - Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
In thousands |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Interest cost |  | $ | 1,260 |  |  | $ | 1,168 |  |  | $ | 2,520 |  |  | $ | 2,336 |
Expected return on plan assets |  |  | (1,468 | ) |  |  | (1,688 | ) |  |  | (2,936 | ) |  |  | (3,376 | )
Recognized actuarial loss |  |  | 719 |  |  |  | 860 |  |  |  | 1,438 |  |  |  | 1,720 |
Net periodic benefit cost |  | $ | 511 |  |  | $ | 340 |  |  | $ | 1,022 |  |  | $ | 680 |

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