Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Basic and Diluted EPS

The following table presents the calculation of basic and diluted EPS:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
Net income from continuing operations	$	90.1		$	79.0		$	173.3		$	152.5
Loss from discontinued operations, net of income taxes	(0.2		)	(0.4		)	(0.4		)	(0.9		)
Net income	$	89.9		$	78.6		$	172.9		$	151.6
Weighted average common shares outstanding used in calculating basic EPS	121.4			121.7			121.2			126.0
Effect of dilutive stock options	1.9			2.0			2.0			2.0
Weighted average common shares used in calculating diluted EPS	123.3			123.7			123.2			128.0
Basic EPS amounts:
Continuing operations	$	0.74		$	0.65		$	1.43		$	1.21
Discontinued operations	$	—		$	—		$	—		$	(0.01	)
Net income	$	0.74		$	0.65		$	1.43		$	1.20
Diluted EPS amounts:
Continuing operations	$	0.73		$	0.64		$	1.41		$	1.19
Discontinued operations	$	—		$	—		$	—		$	(0.01	)
Net income	$	0.73		$	0.64		$	1.40		$	1.18

Anti-Dilutive Options Excluded From The Computation Of Diluted Earnings Per Share

A summary of anti-dilutive options excluded from the computation of diluted earnings per share is as follows:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2013	2012	2013	2012
Anti-dilutive options excluded from the computation of diluted earnings per share	0.8	1.0	0.7	1.0