Goodwill and Other Acquisition-Related Intangible Assets (Tables)

9 Months Ended

Oct. 01, 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:

		October 1, 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		(211		)	639		600		(50		)	550
Patents, trademarks and other	2-15	49,653		(26,942		)	22,711		48,053		(22,547		)	25,506
		50,503		(27,153		)	23,350		48,653		(22,597		)	26,056
Non-amortizing intangible assets
In process research and development		929		—			929		1,365		—			1,365
Total intangible assets		51,432		(27,153		)	24,279		50,018		(22,597		)	27,421
Total goodwill and intangible assets		$	54,808	$	(27,153	)	$	27,655	$	53,394	$	(22,597	)	$	30,797

Schedule of Intangible Asset Amortization

Amortization expense related to intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
Amortization expense	$	1,548	$	1,460	$	4,556	$	4,439

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	—		(436		)	250		1,600		1,414
Balance as of October 1, 2011	$	3,376	$	929		$	850	$	49,653	$	54,808