Goodwill and Acquired Intangibles (Tables)

6 Months Ended

Jun. 28, 2014

The changes in the carrying amount of goodwill during the six months ended June 28, 2014 were as follows:



	Gross Carrying Amount
	(In thousands)
Balance as of December 28, 2013	$	456,905
Goodwill resulting from acquisitions	102,025
Measurement period adjustments	(436		)
Effect of foreign currency translation	1,463
Balance as of June 28, 2014	$	559,957

Acquired intangibles as of December 28, 2013 were as follows, excluding intangibles that were fully amortized as of December 29, 2012:



	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	237,624	$	(53,243	)	$	184,381
Agreements and relationships	170,760		(53,607		)	117,153
Distribution rights	30,100		(30,100		)	—
Tradenames, trademarks and patents	9,519		(2,870		)	6,649
Total acquired intangibles with definite lives	448,003		(139,820		)	308,183
In-process technology	3,510		—			3,510
Total acquired intangibles	$	451,513	$	(139,820	)	$	311,693

Acquired intangibles as of June 28, 2014 were as follows, excluding intangibles that were fully amortized as of December 28, 2013:



	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	319,593	$	(65,059	)	$	254,534
Agreements and relationships	175,499		(53,159		)	122,340
Tradenames, trademarks and patents	10,619		(3,579		)	7,040
Total acquired intangibles with definite lives	505,711		(121,797		)	383,914
In-process technology	11,516		—			11,516
Total acquired intangibles	$	517,227	$	(121,797	)	$	395,430

Amortization of acquired intangibles for the three and six months ended June 28, 2014 and June 29, 2013 was as follows:



	Three Months Ended				Six Months Ended
	June 28, 2014		June 29, 2013		June 28, 2014		June 29, 2013
	(In thousands)
Cost of product and maintenance	$	8,613	$	5,760	$	16,189	$	9,567
Amortization of acquired intangibles	5,579		5,327		10,789		9,118
Total amortization of acquired intangibles	$	14,192	$	11,087	$	26,978	$	18,685

Estimated amortization expense for intangible assets with definite lives for the following five fiscal years and thereafter is as follows:



	(In thousands)
2014 – remaining period	$	32,522
2015	63,522
2016	56,646
2017	51,695
2018	48,059
Thereafter	131,470
Total estimated amortization expense	$	383,914