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Per Share Data (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Calculation Of Basic And Diluted Earnings Per Share | The following table presents information necessary to calculate basic and diluted earnings per share for the periods indicated:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands, except per share amounts) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Earnings per common share calculation – basic |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 34,384 |  |  | $ | 290,898 |  |  | $ | 108,433 |  |  | $ | 396,088 |
Amount allocated to participating securities |  | (21 | ) |  | (1,625 | ) |  | (133 | ) |  | (6,142 | )
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities |  | $ | 34,363 |  |  | $ | 289,273 |  |  | $ | 108,300 |  |  | $ | 389,946 |
Income from discontinued operations, including gain on sale, attributable to common shareholders |  | — |  |  | — |  |  | — |  |  | 382,842 |
Net income attributable to common shareholders – basic |  | $ | 34,363 |  |  | $ | 289,273 |  |  | $ | 108,300 |  |  | $ | 772,788 |
Earnings per common share from continuing operations |  | $ | 0.38 |  |  | $ | 3.23 |  |  | $ | 1.20 |  |  | $ | 4.35 |
Earnings per common share from discontinued operations |  | — |  |  | — |  |  | — |  |  | 4.28 |
Total earnings per common share – basic |  | $ | 0.38 |  |  | $ | 3.23 |  |  | $ | 1.20 |  |  | $ | 8.63 |
Weighted average number of common shares outstanding – basic |  | 91,011 |  |  | 89,669 |  |  | 90,351 |  |  | 89,524 |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands, except per share amounts) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Earnings per common share calculation – diluted |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities |  | $ | 34,363 |  |  | $ | 289,273 |  |  | $ | 108,300 |  |  | $ | 389,946 |
Income allocated to common units from continuing operations |  | 294 |  |  | — |  |  | 869 |  |  | — |
Income from continuing operations attributable to common shareholders, as adjusted |  | $ | 34,657 |  |  | $ | 289,273 |  |  | $ | 109,169 |  |  | $ | 389,946 |
Income from discontinued operations, including gain on sale, attributable to common shareholders |  | — |  |  | — |  |  | — |  |  | 382,842 |
Net income attributable to common shareholders – diluted |  | $ | 34,657 |  |  | $ | 289,273 |  |  | $ | 109,169 |  |  | $ | 772,788 |
Earnings per common share from continuing operations |  | $ | 0.38 |  |  | $ | 3.21 |  |  | $ | 1.20 |  |  | $ | 4.34 |
Earnings per common share from discontinued operations |  | — |  |  | — |  |  | — |  |  | 4.26 |
Total earnings per common share – diluted |  | $ | 0.38 |  |  | $ | 3.21 |  |  | $ | 1.20 |  |  | $ | 8.60 |
Weighted average number of common shares outstanding – basic |  | 91,011 |  |  | 89,669 |  |  | 90,351 |  |  | 89,524 |
Incremental shares issuable from assumed conversion of: |  |  |  |  |  |  |  |
Common share options and share awards granted |  | 217 |  |  | 343 |  |  | 189 |  |  | 334 |
Common units |  | 805 |  |  | — |  |  | 805 |  |  | — |
Weighted average number of common shares outstanding – diluted |  | 92,033 |  |  | 90,012 |  |  | 91,345 |  |  | 89,858 |

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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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