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Goodwill And Intangible Assets (Tables)

9 Months Ended

Jul. 01, 2011

Goodwill And Intangible Assets

Schedule Of Intangible Assets Excluding Goodwill


		Weighted Average Amortization Period Remaining (Years)				As of July 1, 2011												As of October 1, 2010
		Weighted Average Amortization Period Remaining (Years)				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount
Amortized intangible assets
Developed technology			1.5			$	20,660			$	(13,001	)		$	7,659			$	14,150			$	(10,862	)		$	3,288
Customer relationships			4.1				57,510				(18,959	)			38,551				21,510				(15,894	)			5,616
Patents and other			6.0				50,896				(7,672	)			43,224				5,966				(5,630	)			336

Total amortized intangibles						$	129,066			$	(39,632	)		$	89,434			$	41,626			$	(32,386	)		$	9,240

Nonamortizing intangible assets
Trademarks							6,869				—				6,869				3,269				—				3,269

Total intangible assets						$	135,935			$	(39,632	)		$	96,303			$	44,895			$	(32,386	)		$	12,509

Schedule Of Changes In Gross Carrying Amount Of Goodwill And Intangible Assets


		Goodwill and Intangible Assets
		Goodwill				Developed Technology				Customer Relationships				Patents and Other				Trademarks				Total
Balance as of October 1, 2010		$	485,587			$	14,150			$	21,510			$	5,966			$	3,269			$	530,482
Additions during period			187,106				6,510				36,000				44,930				3,600				278,146

Balance as of July 1, 2011		$	672,693			$	20,660			$	57,510			$	50,896			$	6,869			$	808,628

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


		Remaining FY 2011				FY 2012				FY 2013				FY 2014				FY 2015
Amortization expense		$	9,331			$	23,378			$	16,017			$	12,480			$	10,477