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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands | Retained Earnings | Accumulated Other Comprehensive Income/(Loss) | Common Stock Par Value | Treasury Stock | Capital in Excess of Par Value | Non-Controlling Interest | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2015 | $ 1,185,681 | $ (262,347) | $ 667 | $ (270,052) | $ 495,462 | $ 295 | $ 1,149,706
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net Income | 43,863 |  |  |  |  | 3 | 43,866
Foreign currency translation adjustments |  | 65,171 |  |  |  | 1 | 65,172
Changes in unrecognized pension gains/losses and related amortization, net of tax |  | 833 |  |  |  |  | 833
Changes in treasury locks, net of tax |  | 7 |  |  |  |  | 7
Stock awards and option exercises |  |  | 3 | 10,533 | 24,945 |  | 35,481
Cash dividends declared on common stock | (18,770) |  |  |  |  |  | (18,770)
Common stock repurchased and retired | (7,860) |  | (1) |  | (780) |  | (8,641)
Balance at Mar. 31, 2016 | 1,202,914 | (196,336) | 669 | (259,519) | 519,627 | 299 | 1,267,654
Balance at Dec. 31, 2016 | 1,197,234 | (319,709) | 660 | (250,917) | 546,682 | 292 | 1,174,242
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net Income | 51,820 |  |  |  |  | (15) | 51,805
Foreign currency translation adjustments |  | 23,184 |  |  |  | 2 | 23,186
Changes in unrecognized pension gains/losses and related amortization, net of tax |  | 879 |  |  |  |  | 879
Changes in treasury locks, net of tax |  | 7 |  |  |  |  | 7
Stock awards and option exercises |  |  | 4 | 7,538 | 18,912 |  | 26,454
Cash dividends declared on common stock | (19,937) |  |  |  |  |  | (19,937)
Common stock repurchased and retired | (14,080) |  | (2) |  | (1,937) |  | (16,019)
Balance at Mar. 31, 2017 | $ 1,215,037 | $ (295,639) | $ 662 | $ (243,379) | $ 563,657 | $ 279 | $ 1,240,617

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