Net Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2012

Computations of Basic and Diluted Earnings Per Share

would have been anti-dilutive. The computations of basic and diluted earnings per share for the three and nine month periods ended September 30, 2012 and 2011, respectively, are as follows:

	THREE MONTHS ENDED				NINE MONTHS ENDED
	September 30,		September 30,		September 30,		September 30,
	2012		2011		2012		2011
Net earnings	$	18.5	$	65.4	$	158.5	$	170.5
Basic weighted average common shares		102.1		101.0		102.0		100.9
Effect of dilutive stock options and
employee stock purchase plan shares		0.1		0.1		0.1		0.1
Effect of restricted shares issued		0.9		0.9		0.7		0.8
Diluted weighted average common shares		103.1		102.0		102.8		101.8
Basic net earnings per share	$	0.18	$	0.65	$	1.55	$	1.69
Diluted net earnings per share	$	0.18	$	0.64	$	1.54	$	1.67