Net Income Per Common Share

6 Months Ended

Jun. 30, 2011

Net Income Per Common Share [Abstract]

Net Income Per Common Share

Note 11. Net Income Per Common Share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
			(in millions)
Basic:
Income from continuing operations	$	161.4	$	41.6	$	317.2	$	160.2
Income from discontinued operations		—		—		190.3		—
Net income applicable to common stock	$	161.4	$	41.6	$	507.5	$	160.2
Weighted average common shares outstanding		165.4		167.8		165.2		167.7
Diluted:
Income from continuing operations	$	161.4	$	41.6	$	317.2	$	160.2
Income from discontinued operations		—		—		190.3		—
Net income applicable to common stock	$	161.4	$	41.6	$	507.5	$	160.2
Weighted average common shares outstanding		165.4		167.8		165.2		167.7
Incremental shares from assumed conversions:
Options, performance-based stock awards and other employee awards		2.3		1.9		2.5		1.9
Weighted average common shares and common share equivalents		167.7		169.7		167.7		169.6

     Options and employee awards are not included as common stock equivalents in the calculations if the effect would be anti-dilutive. Anti-dilutive options and employee awards of 1.4 million and 2.4 million shares were excluded from the calculations during the six month periods ended June 30, 2011 and 2010 respectively.