Derivative Instruments And Hedging Activities (Tables)

3 Months Ended

Jan. 28, 2012

Derivative Instruments And Hedging Activities [Abstract]

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

	Three Months Ended
	January 28, 2012			January 29, 2011
Cost of revenues	$	(195	)	$	100
Research and development		(165	)		—
Sales and marketing		(1,063	)		569
General and administrative		(75	)		—
Total	$	(1,498	)	$	669

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 January 28, 2012		As of October 29, 2011		As of January 28, 2012		As of October 29, 2011
Euro	$	42,106	$	57,935	$	—	$	—
British pound		21,127		25,282		—		—
Japanese yen		12,948		17,957		—		—
Singapore dollar		13,756		16,136		—		—
Swiss franc		10,388		13,060		6,657		5,012
Total	$	100,325	$	130,370	$	6,657	$	5,012