Derivatives (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 04, 2012	Jul. 30, 2011	Aug. 04, 2012	Jul. 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	$ 1,390	$ 1,535	$ 2,912	$ 3,784
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	978	833	2,071	2,029
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	$ 1,248	$ 908	$ 2,703	$ 2,070