Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting Policies [Abstract]

Statement of Cash Flows and Supplemental Disclosure of Non-Cash Investing and Financing Information

	For the Year Ended December 31,
	2011		2010		2009
Mortgages and liabilities assumed from acquisitions	$	137.8	$	—	$	—
Consolidation of the net assets (excluding mortgages as disclosed below) of previously unconsolidated joint ventures		87.8		—		136.6
Mortgages assumed of previously unconsolidated joint ventures		50.1		—		82.8
Deconsolidation of net assets from the adoption of ASC 810		—		20.2		—
Reduction of non-controlling interests from the adoption of ASC 810		—		12.4		—
Deconsolidation of net assets		5.0		15.2		—
Reduction of non-controlling interests due to deconsolidation of Mervyns Joint Venture		—		3.9		—
Foreclosure of note receivable and transfer of collateral		—		19.0		—
Equity derivative liability — affiliate		74.3		—
Dividends declared, not paid		29.1		12.1		11.0
Dividends paid in common shares		—		—		50.8
Redemption of interest in a joint venture		—		—		(27.9	)

Fee and Other Income

	For the Year Ended December 31,
	2011		2010		2009
Management, development, financing and other fee income	$	47,539	$	54,592	$	58,734
Ancillary and other property income		29,346		20,991		20,685
Lease termination fees		5,897		7,497		3,983
Other miscellaneous		621		2,139		2,219
Total fee and other income	$	83,403	$	85,219	$	85,621