Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2014

Equity [Abstract]

Total Share-based Compensation Expense

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Total share-based incentive compensation expense(1)	$	11.9	$	7.3	$	26.4	$	14.9

⁽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 and other cash-based awards. See Stock Appreciation Rights above for further details of SARs. At June 30, 2014, our cash-based awards were not material to our condensed consolidated financial positions or results of operations.