Intangible Assets (Tables)

12 Months Ended

Dec. 29, 2013

Intangible Assets, Net (Excluding Goodwill) [Abstract]

The following is a summary of the Company’s identifiable intangible assets as of the respective balance sheet dates (in thousands):



	December 29, 2013							December 30, 2012
	Gross Carrying Amount		Accumulated Amortization			Intangibles, Net		Gross Carrying Amount		Accumulated Amortization			Intangibles, Net
Licensed technologies	$	48,361	$	(31,927	)	$	16,434	$	47,329	$	(25,471	)	$	21,858
Core technologies	321,700		(45,534		)	276,166		99,800		(27,427		)	72,373
Customer relationships	26,770		(7,376		)	19,394		18,780		(2,214		)	16,566
License agreements	18,917		(4,947		)	13,970		14,404		(3,933		)	10,471
Trade name	11,800		(6,591		)	5,209		9,600		(672		)	8,928
Total intangible assets, net	$	427,548	$	(96,375	)	$	331,173	$	189,913	$	(59,717	)	$	130,196

Acquired Identifiable Intangible Assets

Additions to intangible assets during the year ended December 29, 2013 were primarily due to acquisitions during the year. The components of such intangibles assets acquired are as follows (in thousands):



	Weighted Average Useful Lives (years)	Gross Carrying Amount
Core technologies	12	$	249,900
License agreements	10	10,013
Customer relationships	4	7,990
Trade name	2	2,200
Licensed technologies	5	1,032
Total intangible asset additions		$	271,135

Estimated annual amortization of intangible assets

The estimated annual amortization of intangible assets for the next five years is shown in the following table (in thousands). Actual amortization expense to be reported in future periods could differ from these estimates as a result of acquisitions, divestitures, asset impairments, among other factors.



	Estimated Annual Amortization
2014	$	49,376
2015	45,974
2016	40,582
2017	36,106
2018	27,310
Thereafter	131,825
Total	$	331,173