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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Cash dividends paid on common shares, per share | $ 0.36 | $ 0.29
Issuance under equity compensation plans, shares | 109,000 | 103,430

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