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v3.8.0.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2014 |  | 63,203,000 |  |  |  |
Beginning Balance at Dec. 31, 2014 | $ 709,956 | $ 876 | $ 225,449 | $ 1,313,521 | $ (165,624) | $ (664,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 172,413 |  |  | 172,413 |  |
Other comprehensive income (loss) | (43,182) |  |  |  | (43,182) |
Dividends declared on common stock | (39,741) |  |  | (39,741) |  |
Stock compensation expense | 12,403 |  | 12,403 |  |  |
Net issuance of treasury stock for vested restricted stock units (in shares) |  | 96,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit | (2,533) |  | (561) |  |  | (1,972)
Repurchases of common stock (in shares) |  | (2,906,000) |  |  |  |
Repurchases of common stock | (170,132) |  |  |  |  | (170,132)
Ending Balance at Dec. 31, 2015 | 639,184 | $ 876 | 237,291 | 1,446,193 | (208,806) | (836,370)
Ending Balance (in shares) at Dec. 31, 2015 |  | 60,393,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 153,351 |  |  | 153,351 |  |
Other comprehensive income (loss) | (15,050) |  |  |  | (15,050) |
Dividends declared on common stock | (40,877) |  |  | (40,877) |  |
Stock compensation expense | 13,018 |  | 13,018 |  |  |
Adoption of accounting standard update related to stock compensation accounting | 525 |  | 598 | (73) |  |
Net issuance of treasury stock for vested restricted stock units (in shares) |  | 114,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit | (3,430) |  | (1,144) |  |  | (2,286)
Repurchases of common stock (in shares) |  | (5,456,000) |  |  |  |
Repurchases of common stock | (277,306) |  |  |  |  | (277,306)
Ending Balance at Dec. 31, 2016 | $ 469,415 | $ 876 | 249,763 | 1,558,594 | (223,856) | (1,115,962)
Ending Balance (in shares) at Dec. 31, 2016 | 55,051,158 | 55,051,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | $ 269,659 |  |  | 269,659 |  |
Other comprehensive income (loss) | 56,968 |  |  |  | 56,968 |
Dividends declared on common stock | (40,493) |  |  | (40,493) |  |
Stock compensation expense | 14,639 |  | 14,639 |  |  |
Net issuance of treasury stock for vested restricted stock units (in shares) |  | 192,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit | (4,123) |  | (1,326) |  |  | (2,797)
Stock Issued During Period, Shares, Stock Splits |  | 55,142,000 |  |  |  |
Adjustments to Additional Paid in Capital, Stock Split |  | $ 875 | (875) |  |  |
Adoption of accounting standards update related to reclassification of certain tax effects |  |  |  | 22,085 | (22,085) |
Ending Balance at Dec. 31, 2017 | $ 766,065 | $ 1,751 | $ 262,201 | $ 1,809,845 | $ (188,973) | $ (1,118,759)
Ending Balance (in shares) at Dec. 31, 2017 | 110,385,344 | 110,385,000 |  |  |  |

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