GOODWILL AND INTANGIBLE ASSETS, NET (Tables)

12 Months Ended

Sep. 29, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

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

	September 29, 2013					September 30, 2012					Life (in years)
	Gross Carrying Value		Accumulated Amortization			Gross Carrying Value		Accumulated Amortization
Amortizable intangible assets
Completed technology	$	309,470	$	(157,472	)	$	309,470	$	(118,463	)	2 to 15
Customer relationships	270,030		(107,474		)	270,030		(64,885		)	4 to 15
Backlog	—		—			15,960		(15,333		)	1 to 2
Other	13,341		(12,720		)	13,341		(10,129		)	5
	$	592,841	$	(277,666	)	$	608,801	$	(208,810	)
Non-amortizing intangible assets
Goodwill	$	790,236				$	790,236

Reconciliation of Goodwill

A reconciliation of our goodwill for the years ended September 29, 2013 and September 30, 2012 is as follows (amounts in thousands):

	September 29, 2013		September 30, 2012
Beginning balance	$	790,236	$	491,079
Additions from acquisitions	—		300,266
Post-acquisition adjustments	—		(1,109		)
Ending balance	$	790,236	$	790,236

Estimated Amortization Expense

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

	Fiscal Year
	2014		2015		2016		2017		2018		Thereafter
Amortization expense	$	79,399	$	73,162	$	69,565	$	66,400	$	23,775	$	2,874