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Note K - Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Defined Benefit |  |  | Foreign Currency |  |  |  |  |
In thousands |  | Pension Items |  |  | Items |  |  | Total |
Balance at December 31, 2020 |  | $ | (68,544 | ) |  | $ | 2,933 |  |  | $ | (65,611 | )
Other comprehensive income, net of tax, before reclassifications |  |  | — |  |  |  | (1,713 | ) |  |  | (1,713 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax, to other, net, on the condensed consolidated statements of comprehensive loss |  |  | 2,457 |  |  |  | — |  |  |  | 2,457 |
Net current period other comprehensive income, net of tax |  |  | 2,457 |  |  |  | (1,713 | ) |  |  | 744 |
Balance at September 30, 2021 |  | $ | (66,087 | ) |  | $ | 1,220 |  |  | $ | (64,867 | )
|  | Defined Benefit |  |  | Foreign Currency |  |  |  |  |
In thousands |  | Pension Items |  |  | Items |  |  | Total |
Balance at December 31, 2019 |  | $ | (63,887 | ) |  | $ | 753 |  |  | $ | (63,134 | )
Other comprehensive loss, net of tax, before reclassifications |  |  | — |  |  |  | 1,067 |  |  |  | 1,067 |
Amounts reclassified from accumulated other comprehensive income (loss), net of tax, to other, net, on the condensed consolidated statements of comprehensive loss |  |  | 1,827 |  |  |  | — |  |  |  | 1,827 |
Net current period other comprehensive loss, net of tax |  |  | 1,827 |  |  |  | 1,067 |  |  |  | 2,894 |
Balance at September 30, 2020 |  | $ | (62,060 | ) |  | $ | 1,820 |  |  | $ | (60,240 | )

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