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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Retained Earnings | Cost of Common Stock in Treasury | Accumulated Other Comprehensive Income (Loss), Net
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 614,473 | $ 346,535 | $ 302,242 | $ (43,711) | $ 9,407
Increase (Decrease) in Shareholders' Equity |  |  |  |  |
Net income | 29,141 |  | 29,141 |  |
Other comprehensive income (loss) | (1,115) |  |  |  | (1,115)
Issuance of 104,853 and 112,483 common shares under stock based compensation awards, including related tax effects for the six months ended on June 30, 2016 and 2015, respectively | 2,446 |  | (237) | 2,683 |
Cost of 269,667 and 164,829 shares of common stock acquired for treasury for the six months ended on June 30, 2016 and 2015, respectively | (4,678) |  |  | (4,678) |
Common stock dividend ($0.360 and $0.327 per share for the six months ended on June 30, 2016 and 2015, respectively) | (8,636) |  | (8,636) |  |
10% common stock dividend |  | 90,003 | (90,003) |  |
Balance at Jun. 30, 2015 | 631,631 | 436,538 | 232,507 | (45,706) | 8,292
Balance at Dec. 31, 2015 | 644,053 | 436,538 | 251,812 | (50,852) | 6,555
Increase (Decrease) in Shareholders' Equity |  |  |  |  |
Net income | 28,297 |  | 28,297 |  |
Other comprehensive income (loss) | 4,276 |  |  |  | 4,276
Issuance of 104,853 and 112,483 common shares under stock based compensation awards, including related tax effects for the six months ended on June 30, 2016 and 2015, respectively | 2,504 |  | 4 | 2,500 |
Cost of 269,667 and 164,829 shares of common stock acquired for treasury for the six months ended on June 30, 2016 and 2015, respectively | (8,005) |  |  | (8,005) |
Common stock dividend ($0.360 and $0.327 per share for the six months ended on June 30, 2016 and 2015, respectively) | (9,369) |  | (9,369) |  |
Balance at Jun. 30, 2016 | $ 661,756 | $ 436,538 | $ 270,744 | $ (56,357) | $ 10,831

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