Derivative Instruments And Hedging Activities (Tables)

9 Months Ended

Jul. 28, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule Of Net Gains (Losses) Related To The Effective Portion Of Foreign Currency Derivatives

	Three Months Ended					Nine Months Ended
	July 28, 2012			July 30, 2011		July 28, 2012			July 30, 2011
Cost of revenues	$	(278	)	$	311	$	(690	)	$	597
Research and development	(410		)	96		(756		)	282
Sales and marketing	(1,551		)	1,817		(3,935		)	3,740
General and administrative	(113		)	167		(278		)	297
Total	$	(2,352	)	$	2,391	$	(5,659	)	$	4,916

Schedule Of Total Gross Notional Amounts, Presented By Currency

	Derivatives Designated as Hedging Instruments				Derivatives Not Designated as Hedging Instruments
In United States Dollars	As of July 28, 2012		As of October 29, 2011		As of July 28, 2012		As of October 29, 2011
Euro	$	28,993	$	57,935	$	—	$	—
British pound	14,758		25,282		—		—
Indian rupee	12,474		—		—		—
Singapore dollar	9,336		16,136		—		—
Japanese yen	7,942		17,957		—		—
Swiss franc	5,412		13,060		2,787		5,012
Total	$	78,915	$	130,370	$	2,787	$	5,012