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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 | $ 2,248,724 | $ 1,915 | $ 1,042,696 | $ 2,116,341 | $ (1,134) | $ (911,094)
Beginning Balance (in shares) at Dec. 31, 2016 | 191,525,872 | 191,526,000 |  |  |  |
Net loss | $ (63,539) |  |  | (63,539) |  |
Foreign currency translation adjustment | 1,049 |  |  |  | 1,049 |
Equity offering | 471,570 | $ 182 | 471,388 |  |  |
Equity offering (in shares) |  | 18,170,000 |  |  |  |
Exercise of stock options | $ 223 |  | 223 |  |  |
Exercise of stock options (in shares) | 10,000 | 10,000 |  |  |  |
Issuance of restricted stock (in shares) |  | 33,000 |  |  |  |
Forfeitures of restricted stock (in shares) |  | (9,000) |  |  |  |
Stock-based compensation | $ 7,131 |  | 7,131 |  |  |
Payment of cash dividends | (3,326) |  |  | (3,326) |  |
Purchase of treasury stock | (223) |  |  |  |  | (223)
Ending Balance at Mar. 31, 2017 | $ 2,661,609 | $ 2,097 | $ 1,521,438 | $ 2,049,476 | $ (85) | $ (911,317)
Ending Balance (in shares) at Mar. 31, 2017 | 209,729,770 | 209,730,000 |  |  |  |

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