Commitments And Contingencies (Schedule Of Accrued Liability For Estimated Future Warranty Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011
Product Warranty Activity
Beginning balance	$ 11,298	$ 5,980
Liabilities accrued for warranties issued during the period	5,929	8,388
Warranty claims paid and used during the period	(575)	(1,394)
Changes in liability for pre-existing warranties during the period	(2,199)	(1,676)
Ending balance	$ 14,453	$ 11,298