Net Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

The calculation of Net earnings per share - basic and Net earnings per share - diluted was as follows:

	3 Months Ended				6 Months Ended
	June 30,				June 30,
	2012		2011		2012		2011
Net earnings per share - basic:
Net earnings available to common shareholders	$	41.0	$	72.7	$	81.2	$	108.4
Weighted-average common shares outstanding		80.1		82.0		80.1		82.0
	$	0.51	$	0.89	$	1.01	$	1.32
Net earnings per share - diluted:
Net earnings available to common shareholders	$	41.0	$	72.7	$	81.2	$	108.4
Weighted-average common shares outstanding		80.1		82.0		80.1		82.0
Effect of dilutive securities - stock options		0.2		1.0		0.3		1.1
Effect of other share-based awards		0.1		0.3		0.4		0.6
		80.4		83.3		80.8		83.7
	$	0.51	$	0.87	$	1.01	$	1.30

There were 4.2 million and 1.7 million share-based awards excluded from the calculation of Net earnings per share - diluted for the three months and six months ended June 30, 2012 and 2011, respectively, as the exercise price for these awards was greater than the average market price of the common shares during the period.