Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 26, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Intangible assets are carried at cost, less accumulated amortization. The details of intangible assets as of September 26, 2015 and December 31, 2014 are disclosed in the following table (in thousands):

	September 26, 2015							December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Core developed technology	$	68,964	$	(61,958	)	$	7,006	$	68,964	$	(55,694	)	$	13,270
Customer relationships	54,740		(50,487		)	4,253		54,740		(42,831		)	11,909
Total intangible assets, excluding goodwill	$	123,704	$	(112,445	)	$	11,259	$	123,704	$	(98,525	)	$	25,179

Expected future amortization

As of September 26, 2015, expected future amortization expense for the fiscal years indicated is as follows (in thousands):

Period	Expected Amortization Expense
Remainder of 2015	$	4,640
2016	5,805
2017	814
Total	$	11,259