Net Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

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	2016		2015		2014
Net earnings available to common shareholders:		$443.7		$419.2		$427.6
Weighted-average common shares outstanding (in millions):
Weighted-average common shares outstanding - basic	70.1		76.8		79.5
Effect of dilutive securities - stock options	0.2		0.5		0.6
Effect of other share-based awards	0.5		0.4		0.6
Weighted-average common shares outstanding - diluted	70.8		77.7		80.7
Net earnings per share - basic		$6.33		$5.46		$5.38
Net earnings per share - diluted		$6.27		$5.40		$5.30

Schedule of antidilutive awards

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

	2016		2015	2014
Shares (in thousands)	20		20	692
Exercise price ranges		$93	93	$76-$93
Weighted-average remaining life	0.4 years		1.4 years	4.1 years