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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Reconciliation of Basic and Diluted Earnings Per Share Computations | The following table provides a reconciliation of basic and diluted earnings per share computations for the three and nine months ended September 30, 2016 and 2015 (in thousands, except per share amounts):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Earnings per common share: |  |  |  |  |  |  |
Net income (loss) per share - basic |  |  |  |  |  |  |
Income from continuing operations | $ | 45,491 |  |  | $ | 60,021 |  |  | $ | 177,675 |  |  | $ | 108,358 |
Income (loss) from discontinued operations | — |  |  | 510 |  |  | — |  |  | 1,296 |
Net income attributable to common stockholders | $ | 45,491 |  |  | $ | 60,531 |  |  | $ | 177,675 |  |  | $ | 109,654 |
Weighted average common shares outstanding (in thousands) | 38,896 |  |  | 42,437 |  |  | 39,719 |  |  | 44,038 |
Earnings per share: |  |  |  |  |  |  |
Continuing operations | $ | 1.17 |  |  | $ | 1.41 |  |  | $ | 4.47 |  |  | $ | 2.46 |
Discontinued operations | — |  |  | 0.01 |  |  | — |  |  | 0.03 |
Total earnings per share | $ | 1.17 |  |  | $ | 1.42 |  |  | $ | 4.47 |  |  | $ | 2.49 |
Earnings per common share - assuming dilution: |  |  |  |  |  |  |
Net income (loss) per share - diluted |  |  |  |  |  |  |
Income from continuing operations | $ | 45,491 |  |  | $ | 60,021 |  |  | $ | 177,675 |  |  | $ | 108,358 |
Income (loss) from discontinued operations | — |  |  | 510 |  |  | — |  |  | 1,296 |
Net income attributable to common stockholders | $ | 45,491 |  |  | $ | 60,531 |  |  | $ | 177,675 |  |  | $ | 109,654 |
Weighted average common shares outstanding (in thousands) | 38,896 |  |  | 42,437 |  |  | 39,719 |  |  | 44,038 |
Common equivalent shares: |  |  |  |  |  |  |
Dilutive options | 278 |  |  | 323 |  |  | 270 |  |  | 351 |
Weighted average common shares outstanding - assuming dilution (in thousands) | 39,174 |  |  | 42,760 |  |  | 39,989 |  |  | 44,389 |
Earnings per share: |  |  |  |  |  |  |
Continuing operations | $ | 1.16 |  |  | $ | 1.40 |  |  | $ | 4.44 |  |  | $ | 2.44 |
Discontinued operations | — |  |  | 0.01 |  |  | — |  |  | 0.03 |
Earnings per share - assuming dilution | $ | 1.16 |  |  | $ | 1.41 |  |  | $ | 4.44 |  |  | $ | 2.47 |

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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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