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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, 2016 | $ 1,084,241 | $ 573 | $ (469) | $ 725,670 | $ (214,326) | $ 572,793
Beginning balance (in shares) at Dec. 31, 2016 |  | 57,298 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 100,739 |  |  |  |  | 100,739
Other comprehensive income (loss) | 41,919 |  |  |  | 41,919 |
Stock-based compensation | 13,146 |  |  | 13,146 |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding | (3,149) | $ 1 |  | (3,150) |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding (in shares) |  | 133 |  |  |  |
Exercise of stock options | 46 |  |  | 46 |  |
Exercise of stock options (in shares) |  | 2 |  |  |  |
Repurchases of common stock | $ (48,971) | $ (9) |  | (48,962) |  |
Repurchases of common stock (in shares) | (900) | (907) |  |  |  |
Shares held under employee participation plan | $ 0 |  | 469 | (469) |  |
Shares held under employee participation plan (in shares) |  | (25) |  |  |  |
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 |  |  |  |  |  |
Net income | 65,636 |  |  |  |  | 65,636
Other comprehensive income (loss) | (50,964) |  |  |  | (50,964) |
Stock-based compensation | 16,792 |  |  | 16,792 |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding | (3,266) | $ 1 |  | (3,267) |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding (in shares) |  | 160 |  |  |  |
Repurchases of common stock | $ (45,080) | $ (8) |  | (45,072) |  |
Repurchases of common stock (in shares) | (800) | (814) |  |  |  |
Ending balance at Dec. 31, 2018 | $ 1,169,756 | $ 558 | 0 | 655,415 | (223,371) | 737,154
Ending balance (in shares) at Dec. 31, 2018 |  | 55,847 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 97,740 |  |  |  |  | 97,740
Other comprehensive income (loss) | 13,320 |  |  |  | 13,320 |
Stock-based compensation | 17,816 |  |  | 17,816 |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding | (7,429) | $ 3 |  | (7,432) |  |
Issuance of common stock for restricted share vesting, net of employee tax withholding (in shares) |  | 249 |  |  |  |
Repurchases of common stock | $ (21,390) | $ (3) |  | (21,387) |  |
Repurchases of common stock (in shares) | (300) | (298) |  |  |  |
Ending balance at Dec. 31, 2019 | $ 1,269,813 | $ 558 | $ 0 | $ 644,412 | $ (210,051) | $ 834,894
Ending balance (in shares) at Dec. 31, 2019 |  | 55,798 |  |  |  |

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