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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (USD $) In Thousands, except Share data | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at at Dec. 31, 2010 | $ 1,007 | $ 467,500 | $ 445,456 | $ (9,392) | $ 246 | $ 904,817
Balance at (in Shares) at Dec. 31, 2010 | 100,726,947 |  |  |  |  |
Net income (loss) |  |  | 22,074 |  | (10) | 22,064
Exercise of common stock options | 2 | 577 |  |  |  | 579
Exercise of common stock options (in Shares) | 210,336 |  |  |  |  |
Equity-based compensation |  | 886 |  |  |  | 886
Other comprehensive income, net of income taxes |  |  |  | 2,111 | 10 | 2,121
Balance at at Mar. 31, 2011 | 1,009 | 468,963 | 467,530 | (7,281) | 246 | 930,467
Balance at (in Shares) at Mar. 31, 2011 | 100,937,283 |  |  |  |  |
Balance at at Dec. 31, 2011 |  |  |  |  |  | 1,343,311
Balance at (in Shares) at Dec. 31, 2011 |  |  |  |  |  | 129,899,288
Net income (loss) |  |  | 19,349 |  |  | 19,349
Conversion of 3.25% Convertible Notes | 46 | 56,364 |  |  |  | 56,410
Conversion of 3.25% Convertible Notes (in Shares) | 4,635,159 |  |  |  |  |
Exercise of common stock options | 3 | 1,016 |  |  |  | 1,019
Exercise of common stock options (in Shares) | 313,028 |  |  |  |  |
Equity-based compensation |  | 2,850 |  |  |  | 2,850
Other comprehensive income, net of income taxes |  |  |  | 3,074 |  | 3,074
Balance at at Mar. 31, 2012 | $ 1,348 | $ 886,351 | $ 543,136 | $ (4,822) |  | $ 1,426,013
Balance at (in Shares) at Mar. 31, 2012 | 134,847,475 |  |  |  |  | 134,847,475

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