Net Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Calculation of net earnings per share - basic and net earnings per share - diluted

The calculation of net earnings per share - basic and net earnings per share - diluted were as follows:

Year Ended December 31	2015		2014		2013
Net earnings available to common shareholders:	$	419.2	$	427.6	$	288.0
Weighted-average common shares outstanding (in millions):
Weighted-average common shares outstanding - basic	76.8		79.5		78.0
Effect of dilutive securities - stock options	0.5		0.6		0.8
Effect of other share-based awards (in millions)	0.4		0.6		0.8
Weighted-average common shares outstanding - diluted	77.7		80.7		79.6
Net earnings per share - basic	$	5.46	$	5.38	$	3.69
Net earnings per share - diluted	$	5.40	$	5.30	$	3.62

Schedule of antidilutive awards

The number, exercise prices and weighted-average remaining life of these antidilutive awards were as follows:

	2015		2014	2013
Shares (in thousands)	20		692	995
Exercise price ranges	$	93	$76-$93	$67-$93
Weighted-average remaining life	1.4 years		4.1 years	5.2 years