Stockholders' Equity (Tables)

3 Months Ended

Jun. 30, 2012

Stockholders' Equity (Tables) [Abstract]

Summary of stockholder's equity capital accounts

	June 30, 2012	December 31, 2011
Preferred Stock:
Authorized shares	50,000,000	50,000,000
Issued shares	26,224,854	25,724,854
Outstanding shares	26,224,854	25,724,854
Common Stock, $1.00 par value:
Authorized shares	400,000,000	400,000,000
Issued shares	215,087,126	192,604,918
Outstanding shares	214,690,843	192,275,248

Summary of preferred stock activity

	Six Months Ended
	June 30, 2012		June 30, 2011
		Weighted Avg.		Weighted Avg.
	Shares	Dividend Rate	Shares	Dividend Rate
Beginning balance	25,724,854	7.013%	11,349,854	7.663%
Shares issued	11,500,000	6.500%	14,375,000	6.500%
Shares redeemed	(11,000,000)	7.716%	-	0.000%
Ending balance	26,224,854	6.493%	25,724,854	7.013%

Summary of common stock issuances

	Shares Issued		Average Price		Gross Proceeds		Net Proceeds
March 2011 public issuance	28,750,000	$	49.25	$	1,415,938	$	1,358,694
2011 Dividend reinvestment plan issuances	1,200,418		49.44		59,348		58,400
2011 Option exercises	116,782		37.69		4,401		4,401
2011 Totals	30,067,200			$	1,479,687	$	1,421,495
February 2012 public issuance	20,700,000	$	53.50	$	1,107,450	$	1,062,256
2012 Dividend reinvestment plan issuances	993,634		54.34		53,991		53,991
2012 Option exercises	104,574		38.42		4,018		4,018
2012 Senior note conversions	405,252				0		0
2012 Totals	22,203,460			$	1,165,459	$	1,120,265

Summary of accumulated other comprehensive income/(loss)

		June 30, 2012		December 31, 2011
Unrecognized losses on cash flow hedges	$	(7,836)	$	(8,561)
Unrecognized losses on equity investments		(658)		(619)
Unrecognized gains (losses) on foreign currency translation		(2,348)		0
Unrecognized actuarial losses		(2,748)		(2,748)
Totals	$	(13,590)	$	(11,928)

Summary of comprehensive income/(loss)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
Unrecognized gains on cash flow hedges		$	446	$	386	$	724	$	868
Unrecognized gains (losses) on equity investments			(46)		(236)		(38)		86
Unrecognized gains (losses) on foreign currency translation			(2,348)		0		(2,348)		0
	Total other comprehensive income (loss)		(1,948)		150		(1,662)		954
Net income attributable to controlling interests			77,696		87,200		136,205		119,252
	Comprehensive income (loss) attributable to controlling interests		75,748		87,350		134,543		120,206
Net and comprehensive income (loss) attributable to noncontrolling interests(1)			(821)		(992)		(1,876)		(1,234)
	Total comprehensive income (loss) attributable to stockholders	$	74,927	$	86,358	$	132,667	$	118,972
(1) Includes amounts attributable to redeemable noncontrolling interests.