Income Taxes (Tables)

9 Months Ended

Sep. 30, 2011

Income Taxes [Abstract]

Net Deferred Taxes Recognized in the Balance Sheet

	September			December
	30, 2011			31, 2010
	(in millions)
Other current assets	$	91.4		$	76.0
Other noncurrent assets		—			42.1
Other long-term liabilities		(114.2	)		—
Net deferred tax assets (liabilities)	$	(22.8	)	$	118.1