Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2011

Segment Reporting [Abstract]

Summary on Revenues and Funds from Operations

The following table shows (i) the revenues for each of the reportable segments and (ii) a reconciliation of FFO attributable to common shareholders to net income (loss) attributable to common shareholders for the years ended December 31, 2011, 2010 and 2009 (in thousands):

	2011			2010			2009
Revenues
Rental Operations:
Office	$	271,137		$	312,036		$	321,506
Industrial	388,828			289,946			249,555
Non-reportable Rental Operations segments	80,969			65,719			51,017
General contractor and service fee revenue ("Service Operations")	521,796			515,361			449,509
Total Segment Revenues	1,262,730			1,183,062			1,071,587
Other Revenue	11,544			11,094			12,377
Consolidated Revenue from continuing operations	1,274,274			1,194,156			1,083,964
Discontinued Operations	184,571			238,772			264,240
Consolidated Revenue	$	1,458,845		$	1,432,928		$	1,348,204
Reconciliation of Funds From Operations
Net earnings excluding depreciation and Non-Segment Items
Office	$	159,529		$	184,915		$	192,561
Industrial	283,850			215,751			188,277
Non-reportable Rental Operations segments	52,071			42,931			33,430
Service Operations	41,316			28,496			21,843
	536,766			472,093			436,111
Non-Segment Items:
Interest expense	(223,053		)	(189,094		)	(151,605		)
Impairment charges on non-depreciable properties	(12,931		)	(9,834		)	(168,511		)
Interest and other income	658			534			1,229
Other operating expenses	(1,237		)	(1,231		)	(1,017		)
General and administrative expenses	(43,107		)	(41,329		)	(47,937		)
Gain on land sales	—			—			357
Undeveloped land carrying costs	(8,934		)	(9,203		)	(10,403		)
Gain (loss) on debt transactions	—			(16,349		)	20,700
Acquisition-related activity	(1,188		)	55,820			(1,062		)
Income tax benefit	194			1,126			6,070
Other non-segment income	6,131			8,132			5,905
Net (income) loss attributable to noncontrolling interests	(744		)	536			11,340
Noncontrolling interest share of FFO adjustments	(6,644		)	(7,771		)	(15,826		)
Joint venture items	38,161			40,346			46,862
Dividends on preferred shares	(60,353		)	(69,468		)	(73,451		)
Adjustments for redemption/repurchase of preferred shares	(3,796		)	(10,438		)	—
Discontinued operations	54,693			74,085			83,835
FFO attributable to common shareholders	274,616			297,955			142,597
Depreciation and amortization on continuing operations	(330,450		)	(279,606		)	(245,456		)
Depreciation and amortization on discontinued operations	(55,229		)	(80,578		)	(94,670		)
Company's share of joint venture adjustments	(33,687		)	(34,674		)	(36,966		)
Impairment charges on depreciable properties	—			—			(134,055		)
Earnings from depreciated property sales on continuing operations	68,549			39,662			12,337
Earnings from depreciated property sales on discontinued operations	100,882			33,054			6,786
Earnings from depreciated property sales - share of joint venture	91			2,308			—
Noncontrolling interest share of FFO adjustments	6,644			7,771			15,826
Net income (loss) attributable to common shareholders	$	31,416		$	(14,108	)	$	(333,601	)

Reportable Segments Consolidated Assets

The assets for each of the reportable segments as of December 31, 2011 and 2010 are as follows (in thousands):

	December 31, 2011		December 31, 2010
Assets
Rental Operations:
Office	$	1,742,196	$	3,122,565
Industrial	3,586,250		3,210,566
Non-reportable Rental Operations segments	789,233		627,491
Service Operations	167,382		231,662
Total Segment Assets	6,285,061		7,192,284
Non-Segment Assets	719,376		451,992
Consolidated Assets	$	7,004,437	$	7,644,276

Second Generation Capital Expenditures By Segment

Our second generation capital expenditures by segment are summarized as follows for the years ended December 31, 2011, 2010 and 2009 (in thousands):

	2011		2010		2009
Second Generation Capital Expenditures
Office	$	63,933	$	65,203	$	64,281
Industrial	34,872		23,271		13,845
Non-reportable Rental Operations segments	459		249		928
Total	$	99,264	$	88,723	$	79,054