Derivatives (Details 3) (Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 05, 2012	Apr. 30, 2011	May 05, 2012	Apr. 30, 2011
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	$ 621	$ (1,815)	$ 1,522	$ (2,249)
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	470	(1,167)	1,093	(1,196)
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	$ 655	$ (1,158)	$ 1,455	$ (1,162)