Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 28, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Excluding Goodwill

Intangible assets consist of the following (in thousands):

		As of							As of
	Weighted Average Amortization Period Remaining (Years)	December 28, 2012							September 28, 2012
		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	3.3	$	78,710	$	(39,500	)	$	39,210	$	78,710	$	(36,242	)	$	42,468
Developed technology and other	3.5	89,366		(46,220		)	43,146		89,366		(42,266		)	47,100
In-process research and development	1.1	6,050		(4,121		)	1,929		6,050		(3,177		)	2,873
Trademarks	Indefinite	1,569		—			1,569		1,569		—			1,569
Total intangible assets		$	175,695	$	(89,841	)	$	85,854	$	175,695	$	(81,685	)	$	94,010

Schedule Of Expected Annual Amortization Expense Related To Intangible Assets For The Next Five Years

Annual amortization expense for the next five years related to intangible assets is expected to be as follows (in thousands):

	Remaining 2013		2014		2015		2016		2017		Thereafter
Amortization expense	$	21,045	$	23,980	$	21,041	$	16,247	$	1,972	$	—