Derivative Instruments And Hedging Activities (Tables)

6 Months Ended

Apr. 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					Six Months Ended
	April 28, 2012			April 30, 2011		April 28, 2012			April 30, 2011
Cost of revenues	$	(217	)	$	186	$	(412	)	$	286
Research and development	(181		)	186		(346		)	186
Sales and marketing	(1,321		)	1,354		(2,384		)	1,923
General and administrative	(90		)	130		(165		)	130
Total	$	(1,809	)	$	1,856	$	(3,307	)	$	2,525

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 April 28, 2012		As of October 29, 2011		As of April 28, 2012		As of October 29, 2011
Euro	$	38,313	$	57,935	$	—	$	—
British pound	19,258		25,282		—		—
Indian rupee	17,862		—		—		—
Singapore dollar	12,162		16,136		—		—
Japanese yen	11,797		17,957		—		—
Swiss franc	9,407		13,060		3,998		5,012
Total	$	108,799	$	130,370	$	3,998	$	5,012