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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | --- | ---
Common stock, shares, issued at Dec. 31, 2014 |  | 43,282,000 |  |  |  |
Beginning Balance, net of taxes at Dec. 31, 2014 | $ 492,388 | $ 433 | $ (100,000) | $ 502,739 | $ (101,498) | $ 190,714
Treasury stock, shares at Dec. 31, 2014 |  |  | 3,864,000 |  |  |
Net Income | 52,182 |  |  |  |  | 52,182
Accumulated other comprehensive loss | 8,483 |  |  |  | 8,483 |
Common stock issued, shares |  | 131,000 |  |  |  |
Common stock issued, value | 1 | $ 1 |  | 0 |  |
Treasury stock, shares acquired |  |  | 723,000 |  |  |
Treasury stock, acquired | (23,711) |  | $ (23,711) |  |  |
Stock-based compensation | 5,825 |  |  | 5,825 |  |
Other | (498) |  |  | (498) |  |
Common stock, shares, issued at Dec. 31, 2015 |  | 43,413,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2015 | 534,670 | $ 434 | $ (123,711) | 508,066 | (93,015) | 242,896
Treasury stock, shares at Dec. 31, 2015 |  |  | 4,587,000 |  |  |
Net Income | 38,254 |  |  |  |  | 38,254
Accumulated other comprehensive loss | 10,003 |  |  |  | 10,003 |
Common stock issued, shares |  | 107,000 |  |  |  |
Common stock issued, value | 1 | $ 1 |  | 0 |  |
Treasury stock, shares acquired |  |  | 580,000 |  |  |
Treasury stock, acquired | (10,268) |  | $ (10,268) |  |  |
Stock-based compensation | 8,177 |  |  | 8,177 |  |
Other | $ (833) |  |  | (833) |  |
Common stock, shares, issued at Dec. 31, 2016 | 43,519,647 | 43,520,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2016 | $ 580,004 | $ 435 | $ (133,979) | 515,410 | (83,012) | 281,150
Treasury stock, shares at Dec. 31, 2016 | 5,167,000 |  | 5,167,000 |  |  |
Net Income | $ 82,957 |  |  |  |  | 82,957
Accumulated other comprehensive loss | 6,310 |  |  |  | 6,310 |
Common stock issued, shares |  | 228,000 |  |  |  |
Common stock issued, value | 2 | $ 2 |  | 0 |  |
Stock-based compensation | 9,730 |  |  | 9,730 |  |
Common stock dividends ($0.07 per share) | (2,760) |  |  |  |  | (2,760)
Tax withholding payments on stock-based awards | (2,902) |  |  | (2,902) |  |
Proceeds from exercise of stock options | 1,144 |  |  | 1,144 |  |
Other | $ 64 |  |  | 168 |  | (104)
Common stock, shares, issued at Dec. 31, 2017 | 43,747,805 | 43,748,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2017 | $ 674,549 | $ 437 | $ (133,979) | $ 523,550 | $ (76,702) | $ 361,243
Treasury stock, shares at Dec. 31, 2017 | 5,167,000 |  | 5,167,000 |  |  |

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