Subsequent Events	3 Months Ended
Mar. 31, 2013
Subsequent Events	15. Subsequent Events Equity Offering On April 30, 2013, we closed on a public offering of 35.65 million common shares at a price of $41.60 per share, which included an overallotment option of 4.65 million shares that were exercised by the underwriters prior to closing. We received net proceeds, after underwriters’ fees, of $1.4 billion. We intend to use the net proceeds for general corporate purposes, including our investment in co-investment ventures, debt repayment and potential incremental acquisitions and development. In the short term, we expect to use a portion of the net proceeds to repay approximately $470.9 million in outstanding borrowings under our Global Facility, repurchase approximately $202.3 million of our senior notes due June 2013and repurchase all of the approximately $341.0 million outstanding principal amount of our 2.625% exchangeable notes due May 15, 2038 and are redeemable at our option beginning May 2013.

Subsequent Events

3 Months Ended

Mar. 31, 2013

15. Subsequent Events

Equity Offering

On April 30, 2013, we closed on a public offering of 35.65 million common shares at a price of $41.60 per share, which included an overallotment option of 4.65 million shares that were exercised by the underwriters prior to closing. We received net proceeds, after underwriters’ fees, of $1.4 billion. We intend to use the net proceeds for general corporate purposes, including our investment in co-investment ventures, debt repayment and potential incremental acquisitions and development. In the short term, we expect to use a portion of the net proceeds to repay approximately $470.9 million in outstanding borrowings under our Global Facility, repurchase approximately $202.3 million of our senior notes due June 2013and repurchase all of the approximately $341.0 million outstanding principal amount of our 2.625% exchangeable notes due May 15, 2038 and are redeemable at our option beginning May 2013.