Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2013 (in millions):

Balance at December 31, 2012	$	115.9
Current period adjustments	0.3
Foreign currency impact	(0.6		)
Balance at June 30, 2013	$	115.6

Summary of intangible assets

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

	June 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	$	151.2	$	(58.2	)	$	93.0	$	151.5	$	(47.6	)	$	103.9
Customer relationships	16.0		(8.6		)	7.4		15.3		(7.9		)	7.4
Trade names	0.2		(0.2		)	—		0.2		(0.2		)	—
Intangible assets subject to amortization	167.4		(67.0		)	100.4		167.0		(55.7		)	111.3
In-process research and development	5.7		—			5.7		5.7		—			5.7
Intangible assets	$	173.1	$	(67.0	)	$	106.1	$	172.7	$	(55.7	)	$	117.0