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Per Share Data (Calculation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Earnings Per Share [Abstract] |  |  |  |
Number of common share equivalent securities excluded from the diluted earnings per share calculation | 2,900,000 | 3,300,000 | 2,100,000 | 2,400,000
Income from continuing operations attributable to common shareholders | $ 34,662 | $ 26,814 | $ 111,791 | $ 98,391
Amount allocated to participating securities | (623) | (288) | (1,958) | (1,387)
Income from continuing operations attributable to common shareholders, net of amount allocated to participating securities | 34,039 | 26,526 | 109,833 | 97,004
Income from discontinued operations, including gain on sale, attributable to common shareholders | 36,058 | 3,889 | 94,577 | 42,833
Net income attributable to common shareholders, as adjusted | 70,097 | 30,415 | 204,410 | 139,837
Income from continuing operations attributable to common shareholders, as adjusted - per share | $ 0.39 | $ 0.31 | $ 1.26 | $ 1.17
Income from discontinued operations, including gain on sale, attributable to common shareholders - per share | $ 0.41 | $ 0.05 | $ 1.09 | $ 0.52
Net income attributable to common shareholders, as adjusted - per share | $ 0.80 | $ 0.36 | $ 2.35 | $ 1.69
Weighted average number of common shares outstanding - basic | 87,449,000 | 85,631,000 | 87,117,000 | 82,923,000
Income allocated to common units from continuing operations | 0 | 0 | 947 | 985
Income from continuing operations attributable to common shareholders, as adjusted | 34,039 | 26,526 | 110,780 | 97,989
Income from discontinued operations allocated to common units | 0 | 0 | 1,778 | 852
Net income attributable to common shareholders, as adjusted | $ 70,097 | $ 30,415 | $ 207,135 | $ 141,674
Income from continuing operations attributable to common shareholders, as adjusted - per share | $ 0.39 | $ 0.31 | $ 1.25 | $ 1.16
Income from discontinued operations, including gain on sale, attributable to common shareholders - per share | $ 0.41 | $ 0.04 | $ 1.09 | $ 0.51
Net income attributable to common shareholders, as adjusted - per share | $ 0.80 | $ 0.35 | $ 2.34 | $ 1.67
Common share options and share awards granted | 453,000 | 662,000 | 497,000 | 655,000
Common units | 0 | 0 | 815,000 | 1,116,000
Weighted average number of common shares outstanding - diluted | 87,902,000 | 86,293,000 | 88,429,000 | 84,694,000

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- Definition This element represents the income or loss from continuing operations attributable to the parent which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests, if any, less the earnings allocated (not distributed) to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed. + References No definition available. + Details
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