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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Retained Earnings [Member] |  |  |  |
Cash dividends declared, per share (in dollars per share) |  |  | $ 0.30 | $ 0.29
AOCI Attributable to Parent [Member] |  |  |  |
Cash flow hedges, tax |  |  | $ 3 | $ 69
Pensions, tax |  |  | 376 | 203
Change in currency translation adjustment, tax |  |  | $ 93 | $ 224
Cash dividends declared, per share (in dollars per share) | $ 0.10 | $ 0.10 |  |
Cash flow hedges, tax | $ 1 | $ 1 |  |
Pensions, tax | 141 | 68 |  |
Change in currency translation adjustment, tax | $ 100 | $ 55 |  |

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