Write-downs, Reserves, and Project Opening Costs, net of Recoveries (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure Writedowns Reserves And Project Opening Costs Net Of Recoveries Components Of Write Downs Reserves And Project Opening Costs Net Of Recoveries [Abstract]

Components of Write-Downs, Reserves, and Project Opening Costs, Net of Recoveries

The components of write-downs, reserves, and project opening costs, net of recoveries are as follows:

	Year Ended December 31,
(In millions)	2012			2011			2010
Write-downs and reserves, net of recoveries:
Divestitures and abandonments	$	59.1		$	10.1		$	29.0
Remediation costs	21.1			11.0			42.7
Write-down of long-term note receivable	—			—			52.2
Efficiency projects	17.5			46.6			1.4
Litigation reserves, awards, and settlements	(0.2		)	3.2			20.9
Gain on Thistledown contribution	(11.0		)	—			—
Other	7.1			(1.8		)	1.4
Total write-downs and reserves, net of recoveries	93.6			69.1			147.6
Project opening costs	12.6			4.7			2.1
Total write-downs, reserves, and project opening costs, net of recoveries	$	106.2		$	73.8		$	149.7