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Interim Condensed Consolidated Statements of Stockholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Treasury Stock | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 337,670 | $ 1,130 | $ 93,849 | $ (426) | $ 259,476 | $ (16,359)
Balance (shares) at Dec. 31, 2014 |  | 11,264 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 17,069 | $ 0 | 0 | 0 | 17,069 | 0
Translation adjustment | (7,822) | 0 | 0 | 0 | 0 | (7,822)
Net actuarial gain arising during period, net of taxes | 383 | 0 | 0 | 0 | 0 | 383
Stock-based compensation | 466 | 0 | 466 | 0 | 0 | 0
Exercise of stock options | 1,939 | $ 9 | 1,930 | 0 | 0 | 0
Exercise of stock options (shares) |  | 82 |  |  |  |
Dividends paid ($.16 per share) | (1,808) | $ 0 | 0 | 0 | (1,808) | 0
Balance at Jun. 30, 2015 | $ 347,897 | $ 1,139 | $ 96,245 | $ (426) | $ 274,737 | $ (23,798)
Balance (shares) at Jun. 30, 2015 |  | 11,346 |  |  |  |

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