Intangible Assets (Tables)

6 Months Ended

Jul. 03, 2011

Intangible Assets

Schedule Of Amortizable Intangible Assets

	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

Schedule Of Estimated Intangible Asset Amortization Expense

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