Commitments And Contingencies (Schedule Of Accrued Liability For Estimated Future Warranty Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 28, 2012	Jan. 29, 2011
Commitments And Contingencies [Abstract]
Beginning balance	$ 11,298	$ 5,980
Liabilities accrued for warranties issued during the period	1,777	2,145
Warranty claims paid and used during the period	(229)	(314)
Changes in liability for pre-existing warranties during the period	(479)	(548)
Ending balance	$ 12,367	$ 7,263