Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2012

Changes in Carrying Amount of Goodwill

Goodwill acquired in 2011 relates to discontinued operations, see Note 3.

	Operating segment
	Chemicals		Component Products			EWI			Total
	(In millions)
Balance at December 31, 2009	$	352.6	$	37.9		$	6.4		$	396.9
Changes in foreign exchange rates		—		.5			—			.5
Balance at December 31, 2010		352.6		38.4			6.4			397.4
Changes in foreign exchange rates		—		(.4	)		—			(.4	)
Goodwill acquired		—		3.1			—			3.1
Balance at December 31, 2011		352.6		41.1			6.4			400.1
Sale of discontinued operations		—		(14.3	)		—			(14.3	)
Goodwill impairment		—		—			(6.4	)		(6.4	)
Changes in foreign exchange rates		—		.3			—			.3
Balance at December 31, 2012	$	352.6	$	27.1		$	—		$	379.7