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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Shares Held Under Employee Participation Plan | Additional Paid-in Capital | Accumulated Other Comprehensive loss | Accumulated Earnings
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ 1,262,871 | $ 589 | $ (469) | $ 805,029 | $ (110,842) | $ 568,564
Beginning balance (in shares) at Dec. 31, 2014 |  | 58,903 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net (loss) income | 44,102 |  |  |  |  | 44,102
Other comprehensive loss | (144,050) |  |  |  | (144,050) |
Stock-based compensation | 8,550 |  |  | 8,550 |  |
Issuance of restricted shares, net of shares remitted | (2,159) | $ 1 |  | (2,160) |  |
Issuance of restricted shares, net of shares remitted (in shares) |  | 100 |  |  |  |
Exercise of stock options | 397 |  |  | 397 |  |
Exercise of stock options (in shares) |  | 12 |  |  |  |
Repurchases of common stock | (73,347) | $ (14) |  | (73,333) |  |
Repurchases of common stock (in shares) |  | (1,422) |  |  |  |
Net tax benefit on stock-based awards | (82) |  |  | (82) |  |
Ending balance at Dec. 31, 2015 | 1,096,282 | $ 576 | (469) | 738,401 | (254,892) | 612,666
Ending balance (in shares) at Dec. 31, 2015 |  | 57,593 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net (loss) income | (39,873) |  |  |  |  | (39,873)
Other comprehensive loss | 40,566 |  |  |  | 40,566 |
Stock-based compensation | 10,481 |  |  | 10,481 |  |
Issuance of restricted shares, net of shares remitted | (2,819) | $ 1 |  | (2,820) |  |
Issuance of restricted shares, net of shares remitted (in shares) |  | 136 |  |  |  |
Exercise of stock options | 627 |  |  | 627 |  |
Exercise of stock options (in shares) |  | 22 |  |  |  |
Repurchases of common stock | (22,188) | $ (4) |  | (22,184) |  |
Repurchases of common stock (in shares) |  | (453) |  |  |  |
Net tax benefit on stock-based awards | 1,165 |  |  | 1,165 |  |
Ending balance at Dec. 31, 2016 | 1,084,241 | $ 573 | (469) | 725,670 | (214,326) | 572,793
Ending balance (in shares) at Dec. 31, 2016 |  | 57,298 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net (loss) income | 100,739 |  |  |  |  | 100,739
Other comprehensive loss | 41,919 |  |  |  | 41,919 |
Stock-based compensation | 13,146 |  |  | 13,146 |  |
Issuance of restricted shares, net of shares remitted | (3,149) | $ 1 |  | (3,150) |  |
Issuance of restricted shares, net of shares remitted (in shares) |  | 133 |  |  |  |
Exercise of stock options | 46 |  |  | 46 |  |
Shares held under employee participation plan | 0 |  | 469 | (469) |  |
Shares held under employee participation plan (in shares) |  | (25) |  |  |  |
Exercise of stock options (in shares) |  | 2 |  |  |  |
Repurchases of common stock | (48,971) | $ (9) |  | (48,962) |  |
Repurchases of common stock (in shares) |  | (907) |  |  |  |
Ending balance at Dec. 31, 2017 | 1,188,202 | $ 565 | $ 0 | 686,962 | $ (172,407) | 673,082
Ending balance (in shares) at Dec. 31, 2017 |  | 56,501 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Cumulative effect of change in accounting for stock-based compensation | $ 231 |  |  | $ 681 |  | $ (450)

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