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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Total | Common Stock [Member] | Capital in Excess of Par Value [Member] | Reinvested Earnings [Member] | Accumulated Other Comprehensive Loss [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 |  | $ 10,821 | $ 37,966 | $ 160,179 | $ (18,030) | $ 7,018
Net earnings | $ 18,153 | 0 | 0 | 18,212 | 0 | (59)
Foreign currency translation adjustments | (3,411) | 0 | 0 | 0 | (2,797) | (614)
Pension liability adjustment, net of tax | (2,360) | 0 | 0 | 0 | 2,360 | 0
Cash dividends declared |  | 0 | 0 | (8,563) | 0 | 0
Stock options exercised |  | 279 | 5,865 | 0 | 0 | 0
Issuance of restricted stock |  | 22 | (22) | 0 | 0 | 0
Stock-based compensation expense |  | 0 | 1,559 | 0 | 0 | 0
Excess tax benefits from stock options exercised and vesting of restricted stock |  | 0 | 391 | 0 | 0 | 0
Shares purchased and retired |  | (355) | 0 | (9,503) | 0 | 0
Balance at Dec. 31, 2015 |  | 10,767 | 45,759 | 160,325 | (18,467) | 6,345
Net earnings | 16,993 | 0 | 0 | 16,472 | 0 | 521
Foreign currency translation adjustments | 198 | 0 | 0 | 0 | 202 | (4)
Pension liability adjustment, net of tax | (1,696) | 0 | 0 | 0 | 1,696 | 0
Cash dividends declared |  | 0 | 0 | (8,772) | 0 | 0
Cash dividends paid to noncontrolling interest of subsidiary |  | 0 | 0 | 0 | 0 | (170)
Stock options exercised |  | 123 | 2,871 | 0 | 0 | 0
Issuance of restricted stock |  | 27 | (27) | 0 | 0 | 0
Restricted stock forfeited |  | (2) | 2 | 0 | 0 | 0
Stock-based compensation expense |  | 0 | 1,559 | 0 | 0 | 0
Excess tax benefits from stock options exercised and vesting of restricted stock |  | 0 | 20 | 0 | 0 | 0
Shares purchased and retired |  | (410) | 0 | (10,557) | 0 | 0
Balance at Dec. 31, 2016 | 208,280 | 10,505 | 50,184 | 157,468 | (16,569) | 6,692
Net earnings | 16,699 | 0 | 0 | 16,491 | 0 | 208
Foreign currency translation adjustments | 1,729 | 0 | 0 | 0 | 1,303 | 426
Pension liability adjustment, net of tax | 2,593 | 0 | 0 | 0 | (2,593) | 0
Cash dividends declared |  | 0 | 0 | (8,968) | 0 | 0
Cash dividends paid to noncontrolling interest of subsidiary |  | 0 | 0 | 0 | 0 | (204)
Stock options exercised |  | 175 | 4,109 | 0 | 0 | 0
Issuance of restricted stock |  | 31 | (31) | 0 | 0 | 0
Stock-based compensation expense |  | 0 | 1,622 | 0 | 0 | 0
Shares purchased and retired |  | (549) | 0 | (14,641) | 0 | 0
Balance at Dec. 31, 2017 | $ 205,659 | $ 10,162 | $ 55,884 | $ 150,350 | $ (17,859) | $ 7,122

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