Other noncurrent liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Other Liabilities Disclosure [Abstract]

Other Noncurrent Liabilities

	December 31, 2012		March 31, 2013
	(In millions)
Reserve for uncertain tax positions	$	29.4	$	31.2
Asset retirement obligations		23.8		24.2
Insurance claims and expenses		9.7		9.7
Employee benefits		11.3		10.8
Deferred income		1.0		1.0
Other		3.1		3.2
Total	$	78.3	$	80.1