Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2012

Stockholders' Equity (Tables) [Abstract]

Summary of stockholder's equity capital accounts

	September 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	259,936,105	192,604,918
Outstanding shares	259,539,955	192,275,248

Summary of preferred stock activity

	Nine Months Ended
	September 30, 2012		September 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	$	1,358,543
2011 Equity shelf plan issuances	743,099		50.59		37,595		36,870
2011 Dividend reinvestment plan issuances	1,869,796		48.39		90,476		89,528
2011 Option exercises	151,927		37.78		5,740		5,740
2011 Totals	31,514,822			$	1,549,749	$	1,490,681
February 2012 public issuance	20,700,000	$	53.50	$	1,107,450	$	1,062,256
August 2012 public issuance	13,800,000		58.75		810,750		778,011
September 2012 public issuance	29,900,000		56.00		1,674,400		1,607,140
2012 Dividend reinvestment plan issuances	1,485,598		55.65		82,678		82,678
2012 Option exercises	155,195		39.61		6,147		6,147
2012 Senior note conversions	1,039,721				0		0
2012 Totals	67,080,514			$	3,681,425	$	3,536,232

Summary of accumulated other comprehensive income/(loss)

		September 30, 2012		December 31, 2011
Unrecognized losses on cash flow hedges	$	(7,423)	$	(8,561)
Unrecognized losses on equity investments		(427)		(619)
Unrecognized gains on foreign currency translation		166		0
Unrecognized actuarial losses		(2,748)		(2,748)
Totals	$	(10,432)	$	(11,928)

Summary of comprehensive income/(loss)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
Unrecognized gains on cash flow hedges		$	414	$	191	$	1,138	$	1,059
Unrecognized gains (losses) on equity investments			230		(400)		192		(314)
Unrecognized gains on foreign currency translation			2,514		0		166		0
	Total other comprehensive income (loss)		3,158		(209)		1,496		745
Net income attributable to controlling interests			53,871		53,841		190,077		173,094
	Comprehensive income (loss) attributable to controlling interests		57,029		53,632		191,573		173,839
Net and comprehensive income (loss) attributable to noncontrolling interests(1)			(365)		(1,488)		(2,241)		(2,721)
	Total comprehensive income (loss) attributable to stockholders	$	56,664	$	52,144	$	189,332	$	171,118
(1) Includes amounts attributable to redeemable noncontrolling interests.