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

12 Months Ended

Dec. 31, 2013

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

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

	Years Ended December 31,
(In millions)	2013			2012			2011
Remediation costs	$	28.5		$	21.1		$	11.0
Divestitures and abandonments	22.8			59.1			10.1
Efficiency projects	—			17.5			46.6
Gain on ThistleDown transactions (Note 4)	—			(11.0		)	—
Suffolk Downs equity investment write-off (Note 4)	41.9			—			—
Project opening costs	15.4			12.6			4.7
Other	(4.2		)	0.4			1.4
Total	$	104.4		$	99.7		$	73.8