GOODWILL AND INTANGIBLE ASSETS, NET (Tables)

12 Months Ended

Oct. 02, 2011

Goodwill and Intangible Assets

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

	October 2, 2011					October 3, 2010					Life (in years)
	Gross Carrying Value		Accumulated Amortization			Gross Carrying Value		Accumulated Amortization
Amortizable intangible assets
Completed technology	$	253,838	$	(76,010	)	$	99,747	$	(46,637	)		2 to 15
Customer relationships		116,760		(21,464	)		40,220		(6,436	)		4 to 15
Backlog		26,900		(22,242	)		9,880		(6,029	)		1 to 2
Other		7,394		(3,485	)		3,183		(1,585	)		5
	$	404,892	$	(123,201	)	$	153,030	$	(60,687	)
Non-amortizing intangible assets
Goodwill	$	491,079				$	270,832

Reconciliation of Goodwill

A reconciliation of our goodwill for the years ended October 2, 2011 and October 3, 2010 is as follows (in thousands):

	October 2, 2011			October 3, 2010
Beginning balance	$	270,832		$	222,731
Additions from acquisitions		220,291			48,101
Post-acquisition adjustments		(44	)		—
Ending balance	$	491,079		$	270,832

Estimated Amortization Expense

Estimated amortization in each of the five succeeding years and thereafter is as follows (amounts in thousands):

	Fiscal Year
	2012		2013		2014		2015		2016		Thereafter
Amortization expense	$	53,087	$	48,511	$	44,444	$	38,569	$	35,634	$	61,444