Goodwill and Acquired Intangibles (Tables)

3 Months Ended

Mar. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill during the three months ended March 30, 2013 were as follows:

	Gross Carrying Amount
	(In thousands)
Balance as of December 29, 2012	$	233,266
Effect of foreign currency translation	(658		)
Balance as of March 30, 2013	$	232,608

Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year

Acquired intangibles with definite lives as of March 30, 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	$	112,697	$	(33,595	)	$	79,102
Agreements and relationships	133,397		(39,965		)	93,432
Distribution rights	30,100		(29,348		)	752
Tradenames, trademarks and patents	6,519		(1,914		)	4,605
Total acquired intangibles	$	282,713	$	(104,822	)	$	177,891

Acquired intangibles with definite lives 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

Amortization of acquired intangibles

Amortization of acquired intangibles for the three months ended March 30, 2013 and March 31, 2012 was as follows:

	Three Months Ended
	March 30, 2013		March 31, 2012
	(In thousands)
Cost of product and maintenance	$	3,807	$	2,899
Amortization of acquired intangibles	3,791		3,786
Total amortization of acquired intangibles	$	7,598	$	6,685

Estimated amortization expense

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

	(In thousands)
2013 – remaining period	$	20,395
2014	25,404
2015	25,057
2016	24,348
2017	23,260
Thereafter	59,427
Total estimated amortization expense	$	177,891