Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2010

Stockholders' Equity (Tables) [Abstract]

Summary of stockholder's equity capital accounts


	December 31, 2010		December 31, 2009
Preferred Stock, $1.00 par value:
Authorized shares		50,000,000		50,000,000
Issued shares		11,349,854		11,474,093
Outstanding shares		11,349,854		11,474,093

Common Stock, $1.00 par value:
Authorized shares		225,000,000		225,000,000
Issued shares		147,381,191		123,583,242
Outstanding shares		147,097,381		123,385,317

Summary of common stock issuances


	Shares Issued		Average Price		Gross Proceeds		Net Proceeds
March 2008 public issuance		3,000,000	$	41.44	$	124,320	$	118,555
July 2008 public issuance		4,600,000		44.50		204,700		193,157
September 2008 public issuance		8,050,000		48.00		386,400		369,699
2008 Dividend reinvestment plan issuances		1,546,074		43.37		67,055		67,055
2008 Equity shelf program issuances		794,221		39.28		31,196		30,272
2008 Option exercises		118,895		29.83		3,547		3,547

2008 Totals		18,109,190			$	817,218	$	782,285


February 2009 public issuance		5,816,870	$	36.85	$	214,352	$	210,880
September 2009 public issuance		9,200,000		40.40		371,680		356,554
2009 Dividend reinvestment plan issuances		1,499,497		37.22		55,818		55,818
2009 Equity shelf program issuances		1,952,600		40.69		79,447		77,605
2009 Option exercises		96,166		38.23		3,676		3,676

2009 Totals		18,565,133			$	724,973	$	704,533


September 2010 public issuance		9,200,000	$	45.75	$	420,900	$	403,921
December 2010 public issuance		11,500,000		43.75		503,125		482,448
2010 Dividend reinvestment plan issuances		1,957,364		43.95		86,034		86,034
2010 Equity shelf program issuances		431,082		44.94		19,371		19,013
2010 Option exercises		129,054		31.17		4,022		4,022

2010 Totals		23,217,500			$	1,033,452	$	995,438

Summary of dividend payments


	Year Ended
	December 31, 2010				December 31, 2009				December 31, 2008
	Per Share		Amount		Per Share		Amount		Per Share		Amount
Common Stock	$	2.74000	$	348,578	$	2.72000	$	311,760	$	2.70000	$	253,659
Series D Preferred Stock		1.96875		7,875		1.96875		7,875		1.96875		7,875
Series E Preferred Stock		1.12500		94		1.50000		112		1.50000		112
Series F Preferred Stock		1.90625		13,344		1.90625		13,344		1.90625		13,344
Series G Preferred Stock		1.40640		332		1.87500		748		1.87500		1,870

Totals			$	370,223			$	333,839			$	276,860

Summary of accumulated other comprehensive income/(loss)


	December 31, 2010			December 31, 2009
Unrecognized gains (losses) on cash flow hedges	$	(9,969	)	$	(1,907	)
Unrecognized gains (losses) on equity investments		(497	)		(550	)
Unrecognized actuarial gains (losses)		(633	)		(434	)

Totals	$	(11,099	)	$	(2,891	)

Summary of comprehensive income/(loss)


	Year Ended December 31,
	2010			2009			2008
Unrecognized gains (losses) on cash flow hedges	$	(8,063	)	$	(2,542	)	$	7,829
Unrecognized gains (losses) on equity investments		54			487			(846	)
Unrecognized actuarial gains (losses)		(199	)		277			(715	)

Total other comprehensive income (loss)		(8,208	)		(1,778	)		6,268
Net income attributable to controlling interests		128,527			193,269			283,299

Comprehensive income attributable to controlling interests		120,319			191,491			289,567
Net and comprehensive income (loss) attributable to noncontrolling interests		357			(342	)		126

Total comprehensive income	$	120,676		$	191,149		$	289,693

- Definition

This label may include the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans.

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- Definition

This element is used to capture the complete disclosure pertaining to an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation. Stock by Class includes common, convertible and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued and outstanding.

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