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v3.3.0.814

Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period (Shares) at Dec. 31, 2013 |  | 153,524 |  |  |  |  |
Balance at beginning of period at Dec. 31, 2013 | $ 1,333,327 | $ 2,019 | $ 642,164 | $ 455,632 | $ (2,383) | $ 0 | $ 235,895
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 177,851 |  |  | 124,425 |  |  | 53,426
Foreign currency translation adjustments | (5,369) |  |  |  | (3,996) |  | (1,373)
Unrealized gain on marketable securities | (2,057) |  |  |  | (1,532) |  | (525)
Stock-based compensation expense | 29,450 |  | 29,450 |  |  |  |
Distribution to noncontrolling interest | (32,470) |  |  | 0 |  |  | (32,470)
Common stock dividends | (46,170) |  | 0 | (46,170) |  |  |
Preferred stock dividends | (1) |  |  | (1) |  |  |
Common shares issued upon vesting of restricted stock units (Shares) |  | 954 |  |  |  |  |
Common shares issued upon vesting of restricted stock units |  | $ 13 | (13) |  |  |  |
Treasury shares withheld (Shares) |  | (205) |  |  |  |  |
Treasury shares withheld | (4,154) |  |  |  |  | (4,154) |
Balance at end of period (Shares) at Sep. 30, 2014 |  | 154,273 |  |  |  |  |
Balance at end of period at Sep. 30, 2014 | 1,450,407 | $ 2,032 | 671,601 | 533,886 | (7,911) | (4,154) | 254,953
Balance at beginning of period (Shares) at Dec. 31, 2014 |  | 154,327 |  |  |  |  |
Balance at beginning of period at Dec. 31, 2014 | 1,472,536 | $ 2,033 | 683,611 | 545,357 | (14,210) | (4,801) | 260,546
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 99,342 |  |  | 71,674 |  |  | 27,668
Foreign currency translation adjustments | (12,287) |  |  |  | (9,154) |  | (3,133)
Unrealized gain on marketable securities | (1,247) |  |  |  | (928) |  | (319)
Stock-based compensation expense | 24,606 |  | 24,606 |  |  |  |
Amount withheld for employee stock purchase plan | 147 |  | 147 |  |  |  |
Distribution to noncontrolling interest | (43,539) |  |  |  |  |  | (43,539)
Common stock dividends | (69,573) |  |  | (69,573) |  |  |
Preferred stock dividends | (2) |  |  | (2) |  |  |
Common shares issued upon vesting of restricted stock units (Shares) |  | 1,040 |  |  |  |  |
Common shares issued upon vesting of restricted stock units |  | $ 12 | (12) |  |  |  |
Common shares issued for ESPP (shares) |  | 20 |  |  |  |  |
Common shares issued for ESPP | 290 |  | 290 |  |  |  |
Treasury shares withheld (Shares) |  | (262) |  |  |  |  |
Treasury shares withheld | (4,359) |  |  |  |  | (4,359) |
Balance at end of period (Shares) at Sep. 30, 2015 |  | 155,125 |  |  |  |  |
Balance at end of period at Sep. 30, 2015 | $ 1,465,914 | $ 2,045 | $ 708,642 | $ 547,456 | $ (24,292) | $ (9,160) | $ 241,223

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