Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Total Share-based Compensation Expense

The following table shows our total share-based incentive compensation expense:

	Three Months Ended March 31,
	2014		2013
Total share-based incentive compensation expense(1)	$	14.5	$	7.6

⁽¹⁾  The amounts included above do not include the expense related to our U.S. profit sharing contributions made in the form of our common stock or the expense or income related to SARs as such contributions are not considered share-based incentive compensation.