Stockholders' Equity

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

Changes in stockholders’ equity for the six months ended June 30, 2013 and 2012 were as follows:

	Preferred stock		Preference stock			Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Treasury stock			Total equity
Balance at January 1, 2013	$	4	$	648		$	323,338	$	223,847		$	4,744,802		$	(681,213	)	$	(4,500,795	)	$	110,631
Net income	—		—			—		—			58,273			—			—			58,273
Other comprehensive income	—		—			—		—			—			(42,310		)	—			(42,310		)
Cash dividends
Common ($0.5625 per share)	—		—			—		—			(113,083		)	—			—			(113,083		)
Preference	—		—			—		—			(23		)	—			—			(23		)
Issuances of common stock	—		—			—		(31,532		)	—			—			33,144			1,612
Conversions to common stock	—		(35		)	—		(618		)	—			—			653			—
Stock-based compensation expense	—		—			—		7,241			—			—			—			7,241
Balance at June 30, 2013	$	4	$	613		$	323,338	$	198,938		$	4,689,969		$	(723,523	)	$	(4,466,998	)	$	22,341

	Preferred stock		Preference stock			Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Treasury stock			Total equity
Balance at January 1, 2012	$	4	$	659		$	323,338	$	240,584		$	4,600,217		$	(661,645	)	$	(4,542,143	)	$	(38,986	)
Net income	—		—			—		—			258,293			—			—			258,293
Other comprehensive income	—		—			—		—			—			3,987			—			3,987
Cash dividends
Common ($0.75 per share)	—		—			—		—			(149,999		)	—			—			(149,999		)
Preference	—		—			—		—			(26		)	—			—			(26		)
Issuances of common stock	—		—			—		(22,176		)	—			—			21,321			(855		)
Conversions to common stock	—		(6		)	—		(124		)	—			—			130			—
Stock-based compensation expense	—		—			—		8,852			—			—			—			8,852
Balance at June 30, 2012	$	4	$	653		$	323,338	$	227,136		$	4,708,485		$	(657,658	)	$	(4,520,692	)	$	81,266