Derivatives (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 04, 2013	May 05, 2012	May 04, 2013	May 05, 2012
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	$ 401	$ 621	$ 1,418	$ 1,522
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	(77)	470	256	1,093
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)	$ 655	$ 433	$ 1,455