Commitments And Contingencies (Schedule Of Accrued Liability For Estimated Future Warranty Costs) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 27, 2013	Jul. 28, 2012
Product Warranty Activity
Beginning balance	$ 14,453	$ 11,298
Liabilities accrued for warranties issued during the period	3,753	5,827
Warranty claims paid and used during the period	(6,500)	(1,095)
Changes in liability for pre-existing warranties during the period	(2,050)	(1,652)
Ending balance	$ 9,656	$ 14,378