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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock [Member] | Capital In Excess of Par Value [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2013 | $ 47,872 | $ 87,563 | $ 228,036 | $ 1,786 | $ (15,825) | $ 349,432
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net earnings | 0 | 0 | 43,029 | 0 | 0 | 43,029
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | (4,438) | 0 | (4,438)
Cash dividends paid | 0 | 0 | (11,905) | 0 | 0 | (11,905)
Purchase of treasury stock | 0 | 0 | 0 | 0 | (10,000) | (10,000)
Stock-based compensation and related tax benefits | 0 | 3,005 | 0 | 0 | 3,065 | 6,070
Stock options exercised and related tax benefits | 0 | 17 | 0 | 0 | 122 | 139
Employee Stock Ownership Plan | 0 | 826 | 0 | 0 | 1,000 | 1,826
Balance at Dec. 31, 2014 | 47,872 | 91,411 | 259,160 | (2,652) | (21,638) | 374,153
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net earnings | 0 | 0 | 46,018 | 0 | 0 | 46,018
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | (3,822) | 0 | (3,822)
Cash dividends paid | 0 | 0 | (13,697) | 0 | 0 | (13,697)
Purchase of treasury stock | 0 | 0 | 0 | 0 | (19,623) | (19,623)
Stock-based compensation and related tax benefits | 0 | 833 | 0 | 0 | 5,700 | 6,533
Stock options exercised and related tax benefits | 0 | 2 | 0 | 0 | 207 | 209
Employee Stock Ownership Plan | 0 | 1,001 | 0 | 0 | 1,207 | 2,208
Balance at Dec. 31, 2015 | 47,872 | 93,247 | 291,481 | (6,474) | (34,147) | 391,979
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net earnings | 0 | 0 | 60,430 | 0 | 0 | 60,430
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | (4,554) | 0 | (4,554)
Cash dividends paid | 0 | 0 | (15,447) | 0 | 0 | (15,447)
Purchase of treasury stock | 0 | 0 | 0 | 0 | (377) | (377)
Stock-based compensation and related tax benefits | 0 | 3,148 | 0 | 0 | 3,828 | 6,976
Employee Stock Ownership Plan | 0 | 455 | 0 | 0 | 1,566 | 2,021
Balance at Dec. 31, 2016 | $ 47,872 | $ 96,850 | $ 336,464 | $ (11,028) | $ (29,130) | $ 441,028

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