Earnings per Share

9 Months Ended

Sep. 30, 2012

Notes To Condensed Consolidated Financial Statements [Abstract]

Earnings per Share

Earnings per Share

The calculations of basic and diluted earnings per share for the three and nine months ended September 30, 2012 and 2011 are presented below. The sum of earnings per share amounts may not equal the totals due to rounding.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Numerator:
Amounts attributable to common stockholders:
Income from continuing operations	$	76,533		$	112,339		$	315,494		$	302,095
Income from discontinued operations	—			60,428			19,332			57,911
Net income (numerator for diluted EPS)	76,533			172,767			334,826			360,006
Less: Preference stock dividend	(12		)	(15		)	(38		)	(44		)
Income attributable to common stockholders (numerator for basic EPS)	$	76,521		$	172,752		$	334,788		$	359,962
Denominator (in thousands):
Weighted-average shares used in basic EPS	200,593			201,294			200,266			202,664
Effect of dilutive shares:
Preferred stock	2			2			2			2
Preference stock	399			447			399			451
Stock plans	608			451			458			366
Weighted-average shares used in diluted EPS	201,602			202,194			201,125			203,483
Basic earnings per share:
Income from continuing operations	$	0.38		$	0.56		$	1.58		$	1.49
Income from discontinued operations	—			0.30			0.10			0.29
Net income	$	0.38		$	0.86		$	1.67		$	1.78
Diluted earnings per share:
Income from continuing operations	$	0.38		$	0.56		$	1.57		$	1.48
Income from discontinued operations	—			0.30			0.10			0.28
Net income	$	0.38		$	0.85		$	1.66		$	1.77
Anti-dilutive shares not used in calculating diluted weighted-average shares (in thousands):	13,607			15,442			14,391			15,435