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Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares shares in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Consolidated Statements of Shareholders' Equity |  |
Cash Dividends (in dollars per share) | $ 0.50 | $ 0.33
Purchase of treasury stock (in shares) | 1,305 | 0

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