Goodwill and Other Acquisition-Related Intangible Assets (Tables)

9 Months Ended

Sep. 27, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Company's Acquisition-related Intangible Assets

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

		September 27, 2014								December 31, 2013
	Weighted Average Remaining Useful Life (years)	Gross		Accumulated Amortization			Net Book Value		Weighted Average Remaining Useful Life (years)	Gross		Accumulated Amortization			Net Book Value
Goodwill		$	13,519	$	—		$	13,519		$	13,519	$	—		$	13,519
Amortizing intangible assets:
Developed Technology and other	8.5	47,607		(35,066		)	12,541		8.0	47,020		(31,679		)	15,341
Patents and Trademarks	10.0	3,773		(1,949		)	1,824		10.1	3,623		(1,805		)	1,818
Customer Relationships	5.0	13,979		(9,358		)	4,621		5.6	13,979		(8,478		)	5,501
		65,359		(46,373		)	18,986			64,622		(41,962		)	22,660
Non-amortizing intangible assets:
In-process research and development		213		—			213			850		—			850
Total intangible assets		65,572		(46,373		)	19,199			65,472		(41,962		)	23,510
Total goodwill and intangible assets		$	79,091	$	(46,373	)	$	32,718		$	78,991	$	(41,962	)	$	37,029

Schedule of Intangible Asset Amortization Expense

Amortization expense related to intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	September 27, 2014		September 28, 2013		September 27, 2014		September 28, 2013
Amortization expense	$	1,481	$	1,730	$	4,411	$	5,262