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Note 7 - Accumulated Other Comprehensive Loss - Reclassification Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Settlement loss |  | $ (4,600) | $ 0 | $ (2,900)
Total before income tax |  | (31,246) | (45,166) | (50,316)
Income tax |  | 6,058 | 9,351 | 10,337
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |
Recognized actuarial loss | [1] | 2,466 | 1,753 | 1,164
Settlement loss | [2] | 4,583 | 0 | 2,852
Total before income tax |  | 7,049 | 1,753 | 4,016
Income tax |  | (1,368) | (363) | (823)
Net of income tax |  | $ 5,681 | $ 1,390 | $ 3,193
[1] | The recognized actuarial loss is included in the computation of net periodic benefit cost. See Note 9 to the Consolidated Financial Statements, Pensions and Other Postretirement Benefits
[2] | The settlement loss is included in Other (expense) income, net in the Consolidated Statements of Income

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