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Condensed Consolidated Statements Of Equity (USD $) | Total | Common shares of beneficial interest | Additional paid-in capital | Distributions in excess of net income | Treasury shares, at cost | Accumulated other comprehensive loss | Non-controlling interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2012 | $ 2,626,708,000 | $ 962,000 | $ 3,587,505,000 | $ (598,951,000) | $ (425,355,000) | $ (1,062,000) | $ 63,609,000
Net income | 139,370,000 |  |  | 135,648,000 |  |  | 3,722,000
Other comprehensive income | 27,000 |  |  |  |  | 27,000 |
Common shares issued | 40,182,000 | 6,000 | 40,176,000 |  |  |  |
Net share awards | 9,232,000 | (1,000) | (3,320,000) |  | 12,553,000 |  |
Employee share purchase plan | 367,000 |  | 187,000 |  | 180,000 |  |
Common share options exercised | 2,621,000 |  | 664,000 |  | 1,957,000 |  |
Conversions of operating partnership units | 0 |  | 71,000 |  |  |  | (71,000)
Cash distributions declared to equity holders | (113,377,000) |  |  | (110,983,000) |  |  | (2,394,000)
Ending balance at Jun. 30, 2013 | 2,705,130,000 | 967,000 | 3,625,283,000 | (574,286,000) | (410,665,000) | (1,035,000) | 64,866,000
Beginning balance at Dec. 31, 2013 | 2,760,181,000 | 967,000 | 3,596,069,000 | (494,167,000) | (410,227,000) | (1,106,000) | 68,645,000
Net income | 77,357,000 |  |  | 75,308,000 |  |  | 2,049,000
Other comprehensive income | 29,000 |  |  |  |  | 29,000 |
Net share awards | 9,880,000 |  | (1,255,000) |  | 11,135,000 |  |
Employee share purchase plan | 886,000 |  | 555,000 |  | 331,000 |  |
Common share options exercised | 647,000 | 1,000 | 359,000 |  | 287,000 |  |
Change in classification of deferred compensation plan | (2,156,000) |  | (2,156,000) |  |  |  |
Change in redemption value of non-qualified share awards | (14,819,000) |  |  | (14,819,000) |  |  |
Diversification of share awards within deferred compensation plan | 2,428,000 |  | 1,770,000 | 658,000 |  |  |
Cash distributions declared to equity holders | (119,536,000) |  |  | (117,030,000) |  |  | (2,506,000)
Other | (28,000) | (1,000) | (27,000) |  |  |  |
Ending balance at Jun. 30, 2014 | $ 2,714,869,000 | $ 967,000 | $ 3,595,315,000 | $ (550,050,000) | $ (398,474,000) | $ (1,077,000) | $ 68,188,000

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