Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Reconciliation of Weighted Average Shares for Basic and Diluted Shares Computations

The following is a reconciliation of weighted average shares for the basic and diluted shares computations (in millions):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Weighted average shares outstanding for basic    net earnings per share		202.3		200.1		201.7		199.9
Effect of dilutive stock options and other equity awards		1.7		2.8		1.9		2.4
Weighted average shares outstanding for diluted    net earnings per share		204.0		202.9		203.6		202.3