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Earnings (Loss) Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Schedule of Earnings Per Share Basic and Diluted |
|  | Year Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Numerator — basic and diluted |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (10,594 | ) |  | $ | (36,986 | ) |  | $ | 103,903 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding — basic |  |  | 39,188 |  |  |  | 40,316 |  |  |  | 41,131 |
Effect of dilutive stock options |  |  | — |  |  |  | — |  |  |  | 915 |
Effect of dilutive convertible notes |  |  | — |  |  |  | — |  |  |  | 836 |
Effect of dilutive restricted shares |  |  | — |  |  |  | — |  |  |  | 591 |
Weighted average number of common shares outstanding — diluted |  |  | 39,188 |  |  |  | 40,316 |  |  |  | 43,473 |
Earnings (loss) per common share — basic |  | $ | (0.27 | ) |  | $ | (0.92 | ) |  | $ | 2.53 |
Earnings (loss) per common share — diluted |  | $ | (0.27 | ) |  | $ | (0.92 | ) |  | $ | 2.39 |
Antidilutive stock options and restricted shares |  |  | 4,363 |  |  |  | 4,943 |  |  |  | 2,119 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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