Intangible Assets

6 Months Ended

Jul. 03, 2011

Intangible Assets

Intangible Assets

K. Intangible Assets

Amortizable intangible assets consist of the following and are included in intangible assets on the balance sheet:

	July 3, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(in thousands)
Developed technology	$	121,055	$	74,500	$	46,555		6.1 years
Customer relationships and service and software maintenance contracts		91,271		38,030		53,241		8.6 years
Trade names and trademarks		14,840		6,279		8,561		11.5 years
Customer backlog		300		300		—		0.5 years
Total intangible assets	$	227,466	$	119,109	$	108,357		7.6 years
	December 31, 2010
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(in thousands)
Developed technology	$	121,055	$	65,610	$	55,445		6.1 years
Customer relationships and service and software maintenance contracts		91,271		32,749		58,522		8.6 years
Trade names and trademarks		14,840		5,866		8,974		11.5 years
Customer backlog		300		300		—		0.5 years
Total intangible assets	$	227,466	$	104,525	$	122,941		7.6 years

Aggregate intangible asset amortization expense was $7.3 million and $14.6 million, respectively, for the three and six months ended July 3, 2011 and $7.3 million and $14.7 million, respectively for the three and six months ended July 4, 2010. Estimated intangible asset amortization expense for each of the five succeeding fiscal years is as follows:

Year	Amount (in thousands)
2011 (remainder)	$	13,238
2012		25,732
2013		24,683
2014		21,598
2015		4,575