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Acquisitions: (Tables)

12 Months Ended

Dec. 31, 2012

Acquisition

Schedule of pro forma total revenue and income from continuing operations

		Total revenue			Income from continuing operations
Supplemental pro forma for the year ended December 31, 2012(1)		$	1,000,983		$	94,335
Supplemental pro forma for the year ended December 31, 2011(1)		$	918,362		$	230,668

(1)

This unaudited pro forma supplemental information does not purport to be indicative of what the Company's operating results would have been had the acquisitions occurred on January 1, 2011, and may not be indicative of future operating results. The Company has excluded remeasurement gains and acquisition costs from these pro forma results as they are considered significant non-recurring adjustments directly attributable to the acquisitions.

Desert Sky Mall

Acquisition

Summary of the allocation of fair value

Property		$	46,603
Deferred charges, net			5,474
Cash and cash equivalents			6,057
Tenant receivables			202
Other assets, net			4,481
Total assets acquired			62,817
Mortgage note payable			51,500
Accounts payable			33
Other accrued liabilities			3,017
Total liabilities assumed			54,550
Fair value of acquired net assets (at 100% ownership)		$	8,267

Summary of gain on remeasurement of existing investment

Fair value of existing ownership interest (at 50% ownership)		$	4,164
Carrying value of investment in Desert Sky Mall			(2,296	)
Gain on remeasurement		$	1,868

Fashion Outlets of Niagara

Acquisition

Summary of the allocation of fair value

Property		$	228,720
Restricted cash			5,367
Deferred charges			10,383
Other assets			3,090
Total assets acquired			247,560
Mortgage note payable			130,006
Accounts payable			231
Other accrued liabilities			38,037
Total liabilities assumed			168,274
Fair value of acquired net assets		$	79,286

SDG Properties

Acquisition

Summary of the allocation of fair value

Property		$	371,344
Tenant receivables			10,048
Deferred charges			30,786
Other assets			32,826
Total assets acquired			445,004
Mortgage notes payable			211,543
Accounts payable			10,416
Other accrued liabilities			18,578
Total liabilities assumed			240,537
Fair value of acquired net assets		$	204,467

500 North Michigan Avenue:

Acquisition

Summary of the allocation of fair value

Property		$	66,033
Deferred charges			7,450
Other assets			2,143
Total assets acquired			75,626
Other accrued liabilities			4,701
Total liabilities assumed			4,701
Fair value of acquired net assets		$	70,925

FlatIron Crossing

Acquisition

Summary of the allocation of fair value

Property		$	443,391
Deferred charges			25,251
Cash and cash equivalents			3,856
Other assets			2,101
Total assets acquired			474,599
Mortgage note payable			175,720
Accounts payable			366
Other accrued liabilities			11,071
Total liabilities assumed			187,157
Fair value of acquired net assets (at 100% ownership)		$	287,442

Summary of gain on remeasurement of existing investment

Fair value of existing ownership interest (at 25% ownership)		$	91,542
Carrying value of investment			(33,382	)
Prior gain deferral recognized			26,067
Gain on remeasurement		$	84,227

Schedule of reconciliation of the purchase price to the fair value of the acquired net assets

Purchase price		$	310,397
Less debt assumed			(114,497	)
Carrying value of investment			33,382
Remeasurement gain			84,227
Less prior gain deferral			(26,067	)
Fair value of acquired net assets (at 100% ownership)		$	287,442

Arrowhead Towne Center

Acquisition

Summary of the allocation of fair value

Property		$	423,349
Deferred charges			31,500
Restricted cash			4,009
Tenant receivables			926
Other assets			4,234
Total assets acquired			464,018
Mortgage note payable			244,403
Accounts payable			815
Other accrued liabilities			10,449
Total liabilities assumed			255,667
Fair value of acquired net assets (at 100% ownership)		$	208,351

Summary of gain on remeasurement of existing investment

Fair value of existing ownership interest (at 66.7% ownership)		$	139,326
Carrying value of investment			(23,597	)
Gain on remeasurement		$	115,729

Schedule of reconciliation of the purchase price to the fair value of the acquired net assets

Purchase price		$	144,400
Less debt assumed			(75,375	)
Carrying value of investment			23,597
Remeasurement gain			115,729
Fair value of acquired net assets (at 100% ownership)		$	208,351

Kings Plaza

Acquisition

Summary of the allocation of fair value

Property		$	714,589
Deferred charges			37,371
Other assets			29,282
Total assets acquired			781,242
Other accrued liabilities			25,242
Total liabilities assumed			25,242
Fair value of acquired net assets		$	756,000

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Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.

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