Impairment and Closure Charges (Tables)

6 Months Ended

Jun. 30, 2013

Impairment And Closure Charges Disclosure [Abstract]

Schedule of Impairment and Closure Charges

The following table summarizes the components of impairment and closure charges for the three and six months ended June 30, 2013 and 2012:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
	(In millions)
Impairment and closure charges:
Impairment	$	—	$	—	$	—	$	0.3
Closure charges	0.3		0.1		1.2		0.5
Total impairment and closure charges	$	0.3	$	0.1	$	1.2	$	0.8