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Note H - Employee Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
In thousands |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Interest cost |  | $ | 1,772 |  |  | $ | 1,260 |  |  | $ | 5,316 |  |  | $ | 3,780 |
Expected return on plan assets |  |  | (1,554 | ) |  |  | (1,468 | ) |  |  | (4,662 | ) |  |  | (4,404 | )
Recognized actuarial loss |  |  | 630 |  |  |  | 719 |  |  |  | 1,890 |  |  |  | 2,157 |
Net periodic benefit cost |  | $ | 848 |  |  | $ | 511 |  |  | $ | 2,544 |  |  | $ | 1,533 |

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