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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Summary of Net Income (Loss) Per Share |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Income (loss) from continuing operations |  | $ | (2,930 | ) |  | $ | 792 |  |  | $ | (28,018 | ) |  | $ | (7,349 | )
Income from discontinued operations, net of tax |  |  | 135,825 |  |  |  | 3,663 |  |  |  | 146,579 |  |  |  | 12,564 |
Net income |  | $ | 132,895 |  |  | $ | 4,455 |  |  | $ | 118,561 |  |  | $ | 5,215 |
Weighted average shares outstanding |  |  | 27,544 |  |  |  | 27,159 |  |  |  | 27,403 |  |  |  | 26,973 |
Effect of dilutive stock options |  |  | — |  |  |  | 163 |  |  |  | — |  |  |  | — |
Diluted shares outstanding |  |  | 27,544 |  |  |  | 27,322 |  |  |  | 27,403 |  |  |  | 26,973 |
Basic income (loss) from continuing operations per share |  | $ | (0.11 | ) |  | $ | 0.03 |  |  | $ | (1.02 | ) |  | $ | (0.27 | )
Basic income from discontinued operations per share |  |  | 4.93 |  |  |  | 0.13 |  |  |  | 5.35 |  |  |  | 0.47 |
Basic net income per share |  | $ | 4.82 |  |  | $ | 0.16 |  |  | $ | 4.33 |  |  | $ | 0.19 |
Diluted income (loss) from continuing operations per share |  | $ | (0.11 | ) |  | $ | 0.03 |  |  | $ | (1.02 | ) |  | $ | (0.27 | )
Diluted income from discontinued operations per share |  |  | 4.93 |  |  |  | 0.13 |  |  |  | 5.35 |  |  |  | 0.47 |
Diluted net income per share |  | $ | 4.82 |  |  | $ | 0.16 |  |  | $ | 4.33 |  |  | $ | 0.19 |

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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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