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Per Share Data (Tables) | 3 Months Ended
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Mar. 31, 2014
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) | 2014 |  | 2013
Earnings per share calculation – basic |  |  |
Income from continuing operations attributable to common shareholders | $ | 40,036 |  |  | $ | 29,012 |
Amount allocated to participating securities | (352 | ) |  | (638 | )
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities | 39,684 |  |  | 28,374 |
Income from discontinued operations, including gain on sale, attributable to common shareholders | — |  |  | 34,464 |
Net income attributable to common shareholders, as adjusted | $ | 39,684 |  |  | $ | 62,838 |
Income from continuing operations attributable to common shareholders, as adjusted – per share | $ | 0.45 |  |  | $ | 0.33 |
Income from discontinued operations, including gain on sale, attributable to common shareholders – per share | — |  |  | 0.39 |
Net income attributable to common shareholders, as adjusted – per share | $ | 0.45 |  |  | $ | 0.72 |
Weighted average number of common shares outstanding – basic | 87,651 |  |  | 86,703 |
Earnings per share calculation – diluted |  |  |
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities | $ | 39,684 |  |  | $ | 28,374 |
Income allocated to common units from continuing operations | 310 |  |  | — |
Income from continuing operations attributable to common shareholders, as adjusted | 39,994 |  |  | 28,374 |
Income from discontinued operations, including gain on sale, attributable to common shareholders | — |  |  | 34,464 |
Net income attributable to common shareholders, as adjusted | $ | 39,994 |  |  | $ | 62,838 |
Income from continuing operations attributable to common shareholders, as adjusted – per share | $ | 0.45 |  |  | $ | 0.33 |
Income from discontinued operations, including gain on sale, attributable to common shareholders – per share | — |  |  | 0.39 |
Net income attributable to common shareholders, as adjusted – per share | $ | 0.45 |  |  | $ | 0.72 |
Weighted average number of common shares outstanding – basic | 87,651 |  |  | 86,703 |
Incremental shares issuable from assumed conversion of: |  |  |
Common share options and share awards granted | 360 |  |  | 573 |
Common units | 813 |  |  | — |
Weighted average number of common shares outstanding – diluted | 88,824 |  |  | 87,276 |

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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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