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Note 7 - Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
Pension and other postretirement benefits: |  | 2020 |  |  | 201 9 |  |  | 201 8 |
Recognized actuarial loss (a) |  | $ | 2,466 |  |  | $ | 1,753 |  |  | $ | 1,164 |
Settlement loss (b) |  |  | 4,583 |  |  |  | - |  |  |  | 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 |
Comprehensive Income (Loss) [Table Text Block] |
|  | Currency Translation Adjustments |  |  | Pension and OPEB Adjustments |  |  | Accumulated Other Comprehensive (Loss) Income |
Balance at December 31, 2017 |  | $ | (5,321 | ) |  | $ | (7,188 | ) |  | $ | (12,509 | )
Reclassification of stranded income tax effects in accumulated other comprehensive income |  |  | - |  |  |  | (2,070 | ) |  |  | (2,070 | )
Reclassification adjustments |  |  | - |  |  |  | 4,016 |  |  |  | 4,016 |
Current period charge |  |  | (2,922 | ) |  |  | (9,644 | ) |  |  | (12,566 | )
Income tax charge |  |  | - |  |  |  | (294 | ) |  |  | (294 | )
Balance at December 31, 201 8 |  |  | (8,243 | ) |  |  | (15,180 | ) |  |  | (23,423 | )
Reclassification adjustments |  |  | - |  |  |  | 1,753 |  |  |  | 1,753 |
Current period benefit (charge) |  |  | 88 |  |  |  | (8,521 | ) |  |  | (8,433 | )
Income tax benefit |  |  | - |  |  |  | 1,566 |  |  |  | 1,566 |
Balance at December 31, 201 9 |  |  | (8,155 | ) |  |  | (20,382 | ) |  |  | (28,537 | )
Reclassification adjustments |  |  | - |  |  |  | 7,049 |  |  |  | 7,049 |
Current period benefit (charge) |  |  | 3,111 |  |  |  | (13,510 | ) |  |  | (10,399 | )
Income tax benefit |  |  | - |  |  |  | 1,510 |  |  |  | 1,510 |
Balance at December 31, 2020 |  | $ | (5,044 | ) |  | $ | (25,333 | ) |  | $ | (30,377 | )

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e526-108580 + Details
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