Goodwill and Other Intangible Assets, Net (Tables)

9 Months Ended

Jul. 01, 2012

Goodwill and Intangible Assets, Net

Goodwill and intangible assets, net consisted of the following components (amounts in thousands):

	July 1, 2012		October 2, 2011
Non-amortizing intangible assets
Goodwill	$	815,803	$	491,079
Amortizable intangible assets, net
Completed technology	$	201,164	$	177,828
Customer relationships		216,916		95,296
Backlog		5,363		4,658
Trade names and other		3,923		3,907
	$	427,366	$	281,689

Estimated Future Amortization Expense

The following table summarizes our estimated future amortization expense by period (amounts in thousands):

	Less than 1  year		1-2 years		2-3 years		3-4 years		Thereafter
Amortization expense	$	89,764	$	81,346	$	74,718	$	69,923	$	111,615