Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies [Abstract]

Cost of Environmental Liabilities Associated with Compliance and Remediation

The activity for the six months ended June 30, 2012 related to environmental liabilities was as follows:

(In millions)
Balance at December 31, 2011	$  40.6
Charges (reversals), net	(3.5	)
Payments	(2.5	)
Balance at June 30, 2012	$  34.6