Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill related to our operations during the past three years are presented in the table below. Goodwill acquired in 2011 relates to the acquisition of an ergonomic components product business included in our Furniture Components operating segment. In December 2012, we sold our Furniture Components segment. See Note 2. The remaining net goodwill balance was generated from acquisitions relating to Security Products prior to 2001.

	Security Products		Furniture Components			Total
	(In millions)
Balance at December 31, 2009	$	23.7	$	7.2		$	30.9
Changes in currency exchange rates		—		0.5			0.5
Balance at December 31, 2010		23.7		7.7			31.4
Goodwill acquired during the year		—		3.1			3.1
Changes in currency exchange rates		—		(0.3	)		(0.3	)
Balance at December 31, 2011		23.7		10.5			34.2
Sale of disposed operations		—		(10.8	)		(10.8	)
Changes in currency exchange rates		—		0.3			0.3
Balance at December 31, 2012	$	23.7	$	—		$	23.7