GOODWILL AND OTHER INTANGIBLE ASSETS, NET (Tables)

6 Months Ended

Apr. 01, 2012

Goodwill and Intangible Assets, Net

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

	April 1, 2012		October 2, 2011
Non-amortizing intangible assets
Goodwill	$	814,464	$	491,079
Amortizable intangible assets, net
Completed technology	$	210,999	$	177,828
Customer relationships		227,592		95,296
Backlog		10,242		4,658
Trade names and other		4,580		3,907
	$	453,413	$	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	$	94,391	$	82,537	$	75,680	$	71,199	$	129,606