Accounts payable and accrued liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

	December 31, 2012		March 31, 2013
	(In millions)
Accounts payable	$	169.6	$	186.9
Payable to affiliates:
Contran – income taxes, net		2.6		—
Contran – trade items		26.8		26.3
LPC		23.4		16.1
Employee benefits		38.5		34.3
Accrued sales discounts and rebates		14.9		11.8
Environmental remediation and related costs		7.6		6.9
Deferred income		5.4		5.7
Reserve for uncertain tax positions		3.0		3.0
Other		42.8		49.2
Total	$	334.6	$	340.2