Goodwill and Acquired Intangibles (Tables)

9 Months Ended

Sep. 28, 2013

The changes in the carrying amount of goodwill during the nine months ended September 28, 2013 were as follows:



	Gross Carrying Amount
	(In thousands)
Balance as of December 29, 2012	$	233,266
Goodwill resulting from acquisitions	227,959
Effect of foreign currency translation	(4,958		)
Balance as of September 28, 2013	$	456,267

Acquired intangibles as of December 29, 2012 were as follows, excluding intangibles that were fully amortized as of December 31, 2011:



	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	112,940	$	(30,171	)	$	82,769
Agreements and relationships	133,764		(37,769		)	95,995
Distribution rights	30,100		(28,595		)	1,505
Tradenames, trademarks and patents	12,485		(7,816		)	4,669
Total acquired intangibles	$	289,289	$	(104,351	)	$	184,938

Acquired intangibles as of September 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	$	236,774	$	(46,170	)	$	190,604
Agreements and relationships	171,422		(49,199		)	122,223
Distribution rights	30,100		(30,100		)	—
Tradenames, trademarks and patents	9,519		(2,535		)	6,984
In-process technology	3,996		—			3,996
Total acquired intangibles	$	451,811	$	(128,004	)	$	323,807

Amortization of acquired intangibles for the three and nine months ended September 28, 2013 and September 29, 2012 was as follows:



	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
	(In thousands)
Cost of product and maintenance	$	7,191	$	3,874	$	16,758	$	9,664
Amortization of acquired intangibles	5,141		3,876		14,259		11,305
Total amortization of acquired intangibles	$	12,332	$	7,750	$	31,017	$	20,969

Estimated amortization expense for the following five fiscal years and thereafter is as follows:



	(In thousands)
2013 – remaining period	$	12,446
2014	49,929
2015	49,378
2016	43,666
2017	40,060
Thereafter	128,328
Total estimated amortization expense	$	323,807