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Note 5 - Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2014
Accumulated Other Comprehensive Loss [Abstract] |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
Pension and other post retirement benefits: |  | 2014 |  |  | 2013 |  |  | 2012 |
Recognized actuarial loss (a) |  | $ | 483 |  |  | $ | 1,357 |  |  | $ | 1,794 |
Settlement loss (b) |  |  | - |  |  |  | 2,756 |  |  |  | 1,940 |
Settlement loss (c) |  |  | - |  |  |  | 1,413 |  |  |  | 995 |
Total before income tax |  |  | 483 |  |  |  | 5,526 |  |  |  | 4,729 |
Income tax |  |  | (177 | ) |  |  | (2,006 | ) |  |  | (1,494 | )
Net of income tax |  | $ | 306 |  |  | $ | 3,520 |  |  | $ | 3,235 |
Comprehensive Income (Loss) [Table Text Block] |
|  | Currency Translation Adjustments |  |  | Pension and OPEB Adjustments |  |  | Accumulated Other Comprehensive (Loss) Income |
Balance at January 1, 2012 |  | $ | (118 | ) |  | $ | (15,926 | ) |  | $ | (16,044 | )
Reclassifications adjustments |  |  | - |  |  |  | 4,729 |  |  |  |  |
Current period credit (charge) |  |  | 437 |  |  |  | (5,716 | ) |  |  | (550 | )
Income tax benefit |  |  | - |  |  |  | 312 |  |  |  | 312 |
Balance at December 31, 2012 |  |  | 319 |  |  |  | (16,601 | ) |  |  | (16,282 | )
Reclassifications adjustments |  |  | - |  |  |  | 5,526 |  |  |  |  |
Current period (charge) credit |  |  | (1,381 | ) |  |  | 8,925 |  |  |  | 13,070 |
Income tax charge |  |  | - |  |  |  | (5,249 | ) |  |  | (5,249 | )
Balance at December 31, 2013 |  |  | (1,062 | ) |  |  | (7,399 | ) |  |  | (8,461 | )
Reclassifications adjustments |  |  | - |  |  |  | 483 |  |  |  | 483 |
Current period c harge |  |  | (3,276 | ) |  |  | (9,294 | ) |  |  | (12,087 | )
Inc ome tax benefit |  |  | - |  |  |  | 3,222 |  |  |  | 3,222 |
Balance at December 31, 2014 |  | $ | (4,338 | ) |  | $ | (12,988 | ) |  | $ | (17,326 | )

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e526-108580 + Details
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