Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

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 March 31,
	2013		2012
Weighted average shares outstanding for basic net earnings per share		168.7		177.4
Effect of dilutive stock options and other equity awards		2.0		1.1
Weighted average shares outstanding for diluted net earnings per share		170.7		178.5