Commitments And Contingencies (Schedule Of Accrued Liability For Estimated Future Warranty Costs) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 28, 2012	Jul. 30, 2011
Product Warranty Activity
Beginning balance	$ 11,298	$ 5,980
Liabilities accrued for warranties issued during the period	5,827	4,501
Warranty claims paid and used during the period	(1,095)	(1,093)
Changes in liability for pre-existing warranties during the period	(1,652)	(1,444)
Ending balance	$ 14,378	$ 7,944