Net Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

Computations of Basic and Diluted Earnings Per Share

The computations of basic and diluted earnings per share for the three and six months ended June 30, 2014 and 2013, respectively, are as follows:

	THREE MONTHS ENDED				SIX MONTHS ENDED
	JUNE 30,				JUNE 30,
	2014		2013		2014		2013
Net earnings	$	108.6	$	92.4	$	217.6	$	182.3
Basic weighted average common shares		103.9		103.1		103.9		103.1
Effect of dilutive stock options and
employee stock purchase plan shares		0.1		0.1		0.1		0.1
Effect of restricted shares issued		0.5		0.7		0.4		0.6
Diluted weighted average common shares		104.5		103.9		104.4		103.8
Basic net earnings per common share	$	1.05	$	0.90	$	2.09	$	1.77
Diluted net earnings per common share	$	1.04	$	0.89	$	2.08	$	1.76