Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Goodwill and Other Intangible Assets

Changes in the carrying amount of goodwill

The following table sets forth the changes in the carrying amount of goodwill for the nine months ended September 30, 2013 (in millions):

Balance at December 31, 2012	$	115.9
Current period additions	9.6
Current period adjustments	0.3
Foreign currency effect	0.8
Balance at September 30, 2013	$	126.6

Summary of intangible assets

The following is a summary of intangible assets (in millions):

	September 30, 2013							December 31, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Existing technology and related patents	$	152.0	$	(58.2	)	$	93.8	$	151.5	$	(47.6	)	$	103.9
Customer relationships	17.9		(9.0		)	8.9		15.3		(7.9		)	7.4
Trade names	0.2		(0.2		)	—		0.2		(0.2		)	—
Intangible assets subject to amortization	170.1		(67.4		)	102.7		167.0		(55.7		)	111.3
In-process research and development	5.7		—			5.7		5.7		—			5.7
Intangible assets	$	175.8	$	(67.4	)	$	108.4	$	172.7	$	(55.7	)	$	117.0