Summary of Significant Accounting Policies (Details 10) (Designated as Hedging Instrument [Member], USD $) In Thousands	12 Months Ended
	Oct. 29, 2011	Oct. 30, 2010
Cost of sales [Member]
Amounts reclassified into earnings before tax recognized in cost of sales and operating expenses
Amounts reclassified into earnings before tax, derivatives	$ (4,363)	$ (112)
Research and development [Member]
Amounts reclassified into earnings before tax recognized in cost of sales and operating expenses
Amounts reclassified into earnings before tax, derivatives	(2,264)	1,259
Selling, marketing, general and administrative [Member]
Amounts reclassified into earnings before tax recognized in cost of sales and operating expenses
Amounts reclassified into earnings before tax, derivatives	$ (2,337)	$ 1,174