Goodwill and Other Acquisition-Related Intangible Assets (Tables)

6 Months Ended

Jul. 02, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

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

		As of July 2, 2011							December 31, 2010
	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	850		(153		)	697		600		(50		)	550
Patents, trademarks and other	2-15	49,653		(25,452		)	24,201		48,053		(22,547		)	25,506
		50,503		(25,605		)	24,898		48,653		(22,597		)	26,056
Non-amortizing intangible assets
In process research and development		1,115		—			1,115		1,365		—			1,365
Total goodwill and intangible assets		$	54,994	$	(25,605	)	$	29,389	$	53,394	$	(22,597	)	$	30,797

Schedule of Intangible Asset Amortization

Amortization expense related to intangible assets is as follows:

	Three Months Ended				Six Months Ended
	July 2, 2011		July 3, 2010		July 2, 2011		July 3, 2010
Amortization expense	$	1,511	$	1,492	$	3,008	$	2,978

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, 2010	$	3,376	$	1,365		$	600	$	48,053	$	53,394
Additions (deductions) during the period	—		(250		)	250		1,600		1,600
Balance as of July 2, 2011	$	3,376	$	1,115		$	850	$	49,653	$	54,994