Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2011

Segment Reporting

Summary on Revenues and Funds from Operations

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Revenues
Rental Operations:
Office	$	109,671		$	122,790		$	231,787		$	249,703
Industrial		95,062			62,499			191,345			128,583
Non-reportable Rental Operations segments		19,710			16,725			39,364			32,958
General contractor and service fee revenue ("Service Operations")		135,362			168,398			281,909			282,039
Total Segment Revenues		359,805			370,412			744,405			693,283
Other Revenue		3,265			3,574			5,248			5,840
Consolidated Revenue from continuing operations		363,070			373,986			749,653			699,123
Discontinued Operations		365			11,234			3,485			23,997
Consolidated Revenue	$	363,435		$	385,220		$	753,138		$	723,120
Reconciliation of Funds From Operations
Net earnings excluding depreciation and Non-Segment Items
Office	$	63,250		$	71,588		$	130,376		$	142,867
Industrial		69,093			47,515			136,918			95,850
Non-reportable Rental Operations segments		13,024			11,577			25,398			22,155
Service Operations		12,393			7,781			23,276			14,260
		157,760			138,461			315,968			275,132
Non-Segment Items:
Interest expense		(66,846	)		(58,044	)		(132,950	)		(114,300	)
Impairment charges		—			(7,974	)		—			(7,974	)
Interest and other income		284			204			371			355
Other operating expenses		(26	)		(145	)		(111	)		(422	)
General and administrative expenses		(8,541	)		(9,151	)		(19,738	)		(22,695	)
Undeveloped land carrying costs		(2,453	)		(2,542	)		(4,762	)		(4,793	)
Loss on debt transactions		—			(15,773	)		—			(16,127	)
Acquisition costs		(594	)		—			(1,183	)		—
Other non-segment income		1,541			1,973			2,522			3,722
Net (income) loss attributable to noncontrolling interests		790			1,104			(293	)		1,555
Noncontrolling interest share of FFO adjustments		(2,802	)		(2,315	)		(3,371	)		(4,593	)
Joint venture items		10,352			12,384			18,962			24,572
Dividends on preferred shares		(15,974	)		(18,363	)		(31,948	)		(36,726	)
Adjustments for repurchase of preferred shares		—			(4,492	)		(163	)		(4,492	)
Discontinued operations		212			4,289			458			8,440
FFO attributable to common shareholders		73,703			39,616			143,762			101,654
Depreciation and amortization on continuing operations		(100,058	)		(78,956	)		(194,743	)		(159,481	)
Depreciation and amortization on discontinued operations		(55	)		(3,049	)		(351	)		(6,692	)
Company's share of joint venture adjustments		(8,639	)		(10,372	)		(16,267	)		(19,935	)
Earnings from depreciated property sales on continuing operations		493			4,973			68,348			7,042
Earnings from depreciated property sales on discontinued operations		2,712			3,078			14,316			12,856
Earnings from depreciated property sales—share of joint venture		—			4			91			2,308
Noncontrolling interest share of FFO adjustments		2,802			2,315			3,371			4,593
Net income (loss) attributable to common shareholders	$	(29,042	)	$	(42,391	)	$	18,527		$	(57,655	)

Reportable Segments Consolidated Assets

	June 30, 2011		December 31, 2010
Assets
Rental Operations:
Office	$	2,769,228	$	3,122,565
Industrial		3,314,481		3,210,566
Non-reportable Rental Operations segments		634,058		627,491
Service Operations		169,559		231,662
Total Segment Assets		6,887,326		7,192,284
Non-Segment Assets		639,759		451,992
Consolidated Assets	$	7,527,085	$	7,644,276