Net Earnings Per Share

6 Months Ended

Jun. 30, 2014

Net Earnings Per Share [Abstract]

Net Earnings Per Share

(7) Net Earnings Per Share

The calculations of net earnings per share – basic and net earnings per share – diluted were as follows:

	3 Months Ended				6 Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Net earnings per share – basic:
Net earnings available to common shareholders	$	109.8	$	68.2	$	179.9	$	92.1
Weighted-average common shares outstanding		79.9		77.4		79.9		77.3
	$	1.37	$	0.88	$	2.25	$	1.19
Net earnings per share – diluted:
Net earnings available to common shareholders	$	109.8	$	68.2	$	179.9	$	92.1
Weighted-average common shares outstanding		79.9		77.4		79.9		77.3
Effect of dilutive securities – stock options		0.7		0.6		0.7		0.6
Effect of other share-based awards		0.8		0.6		0.8		0.7
		81.4		78.6		81.4		78.6
	$	1.35	$	0.87	$	2.21	$	1.17

There were 0.2 million and 2.1 million share-based awards excluded from the calculation of net earnings per share – diluted for the three months ended June 30, 2014 and 2013, respectively, and 0.2 million and 2.3 million share-based awards excluded from the calculation of net earnings per share – diluted for the six months ended June 30, 2014 and 2013, respectively, as the exercise price for these awards was greater than the average market price of the common shares during the period.