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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2014
Earnings Per Share [Abstract] |
Schedule of calculation of basic and diluted earnings per share | The following table sets forth the calculations of basic and diluted earnings per share:
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
| (in thousands, except per share amounts)
Net income | $ | 208,938 |  |  | $ | 70,690 |  |  | $ | 334,325 |  |  | $ | 163,939 |
Basic weighted-average common shares outstanding | 67,379 |  |  | 66,943 |  |  | 67,169 |  |  | 66,486 |
Add: dilutive effect of stock options, unvested RSUs, and contingent PSUs | 1,051 |  |  | 1,310 |  |  | 1,089 |  |  | 1,483 |
Diluted weighted-average common shares outstanding | 68,430 |  |  | 68,253 |  |  | 68,258 |  |  | 67,969 |
Basic net income per common share | $ | 3.10 |  |  | $ | 1.06 |  |  | $ | 4.98 |  |  | $ | 2.47 |
Diluted net income per common share | $ | 3.05 |  |  | $ | 1.04 |  |  | $ | 4.90 |  |  | $ | 2.41 |

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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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