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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share | The following table reconciles earnings per common share:
|  | For the Year |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | (In thousands, except per share amounts) |
Basic: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 498,874 |  |  | $ | 903,944 |  |  | $ | 776,464 |
Less: Net income allocable to participating RSUs |  |  | (4,028 | ) |  |  | (8,335 | ) |  |  | (7,730 | )
Net income available for basic common shares |  | $ | 494,846 |  |  | $ | 895,609 |  |  | $ | 768,734 |
Weighted average common shares outstanding |  |  | 339,016 |  |  |  | 343,394 |  |  |  | 341,665 |
Basic net income per common share |  | $ | 1.46 |  |  | $ | 2.61 |  |  | $ | 2.25 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 498,874 |  |  | $ | 903,944 |  |  | $ | 776,464 |
Less: Net income allocable to participating RSUs |  |  | (4,028 | ) |  |  | (8,291 | ) |  |  | (7,682 | )
Net income available for diluted common shares |  | $ | 494,846 |  |  | $ | 895,653 |  |  | $ | 768,782 |
Weighted average common shares outstanding |  |  | 339,016 |  |  |  | 343,394 |  |  |  | 341,665 |
Weighted average common equivalent shares arising from: |  |  |  |  |  |  |  |  |  |  |  |
Dilutive stock options and non-participating RSUs |  |  | 1,752 |  |  |  | 4,065 |  |  |  | 4,493 |
Weighted average number of common and potential common shares |  |  | 340,768 |  |  |  | 347,459 |  |  |  | 346,158 |
Diluted net income per common share |  | $ | 1.45 |  |  | $ | 2.58 |  |  | $ | 2.22 |

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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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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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