Goodwill and Other Acquisition-Related Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

Information regarding the Company’s acquisition-related intangible assets is as follows:

		March 31, 2012							December 31, 2011
	Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Goodwill		$	3,376	$	—		$	3,376	$	3,376	$	—		$	3,376
Amortizing intangible assets
In process research and development	3 - 5	1,779		(328		)	1,451		850		(270		)	580
Patents, trademarks and other	4 - 15	49,653		(29,935		)	19,718		49,653		(28,430		)	21,223
		51,432		(30,263		)	21,169		50,503		(28,700		)	21,803
Non-amortizing intangible assets
In process research and development		—		—			—		929		—			929
Total intangible assets		51,432		(30,263		)	21,169		51,432		(28,700		)	22,732
Total goodwill and intangible assets		$	54,808	$	(30,263	)	$	24,545	$	54,808	$	(28,700	)	$	26,108

Schedule of Intangible Asset Amortization

Amortization expense related to intangible assets is as follows:

	Three Months Ended
	March 31, 2012		April 2, 2011
Amortization expense	$	1,563	$	1,497

Schedule of Changes In Gross Goodwill And Intangibles

The changes in the gross carrying amount of goodwill and intangible assets are as follows:

	Goodwill and Intangible Assets
	Goodwill		In process research and development- non-amortizing			In process research and development- amortizing		Patents, trademarks and other		Total
Balance as of December 31, 2011	$	3,376	$	929		$	850	$	49,653	$	54,808
Additions (deductions) during the period	—		(929		)	929		—		—
Balance as of March 31, 2012	$	3,376	$	—		$	1,779	$	49,653	$	54,808