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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic and Diluted |
| 2016 |  | 2015 |  | 2014
| In thousands, except per share amounts
Earnings per share — basic: |  |  |  |  |
Income from continuing operations | $ | 1,172,527 |  |  | $ | 1,315,131 |  |  | $ | 1,327,749 |
Weighted average common shares outstanding | 416,103 |  |  | 425,408 |  |  | 432,611 |
Earnings per share from continuing operations | $ | 2.82 |  |  | $ | 3.09 |  |  | $ | 3.07 |
Earnings per share — diluted: |  |  |  |  |
Income from continuing operations | $ | 1,172,527 |  |  | $ | 1,315,131 |  |  | $ | 1,327,749 |
Weighted average common shares outstanding | 416,103 |  |  | 425,408 |  |  | 432,611 |
Incremental shares from stock options and other dilutive securities | 5,978 |  |  | 6,671 |  |  | 7,542 |
Adjusted weighted average common shares outstanding | 422,081 |  |  | 432,079 |  |  | 440,153 |
Earnings per share from continuing operations | $ | 2.78 |  |  | $ | 3.04 |  |  | $ | 3.02 |

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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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