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Per Share Data (Tables) | 3 Months Ended
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Mar. 31, 2016
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 March 31,
(in thousands, except per share amounts) |  | 2016 |  | 2015
Earnings per common share calculation – basic |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 36,654 |  |  | $ | 110,730 |
Amount allocated to participating securities |  | (232 | ) |  | (1,052 | )
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities |  | $ | 36,422 |  |  | $ | 109,678 |
Income from discontinued operations attributable to common shareholders |  | 5,076 |  |  | 4,869 |
Net income attributable to common shareholders, as adjusted – basic |  | $ | 41,498 |  |  | $ | 114,547 |
Earnings per common share from continuing operations |  | $ | 0.41 |  |  | $ | 1.23 |
Earnings per common share from discontinued operations |  | 0.05 |  |  | 0.06 |
Total earnings per common share – basic |  | $ | 0.46 |  |  | $ | 1.29 |
Weighted average number of common shares outstanding – basic |  | 89,344 |  |  | 88,987 |
Earnings per common share calculation – diluted |  |  |  |
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities |  | $ | 36,422 |  |  | $ | 109,678 |
Income allocated to common units from continuing operations |  | 328 |  |  | 766 |
Income from continuing operations attributable to common shareholders, as adjusted |  | $ | 36,750 |  |  | $ | 110,444 |
Income from discontinued operations attributable to common shareholder |  | 5,076 |  |  | 4,869 |
Net income attributable to common shareholders – diluted |  | $ | 41,826 |  |  | $ | 115,313 |
Earnings per common share from continuing operations |  | $ | 0.41 |  |  | $ | 1.22 |
Earnings per common share from discontinued operations |  | 0.05 |  |  | 0.05 |
Total earnings per common share – diluted |  | $ | 0.46 |  |  | $ | 1.27 |
Weighted average number of common shares outstanding – basic |  | 89,344 |  |  | 88,987 |
Incremental shares issuable from assumed conversion of: |  |  |  |
Common share options and share awards granted |  | 355 |  |  | 391 |
Common units |  | 810 |  |  | 1,086 |
Weighted average number of common shares outstanding – diluted |  | 90,509 |  |  | 90,464 |

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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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