Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Change in Accrued Environmental Remediation and Related Costs

The table below presents a summary of the activity in our accrued environmental costs during the past three years. The amount charged to expense is included in corporate expense on our consolidated statements of income.

	Years ended December 31,
	2010			2011			2012
	(In millions)
Balance at the beginning of the year	$	48.9		$	42.3		$	43.2
Additions charged to expense, net		.4			11.3			15.0
Settlement agreement		(2.0	)		—			—
Payments, net		(5.0	)		(10.4	)		(8.1	)
Changes in currency exchange rates		—			—			.1
Balance at the end of the year	$	42.3		$	43.2		$	50.2
Amounts recognized in our Consolidated Balance Sheet at the end of the  year:
Current liabilities	$	9.7		$	8.6		$	7.6
Noncurrent liabilities		32.6			34.6			42.6
Total	$	42.3		$	43.2		$	50.2

Approximate Percentage of TiO2 Sales by Volume for Segments

The table below shows the approximate percentage of our TiO₂ sales by volume for our significant markets, Europe and North America, for the last three years.

	2010			2011			2012
Europe		53	%		53	%		47	%
North America		33	%		32	%		35	%

Future Minimum Payments Under Noncancellable Operating Leases

At December 31, 2012, future minimum payments under non-cancellable operating leases having an initial or remaining term of more than one year were as follows:

Years ending December 31,	Amount
	(In millions)
2013	$	12.6
2014		8.8
2015		5.8
2016		3.8
2017		2.8
2018 and thereafter		23.6
Total(1)	$	57.4