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Commitments And Contingencies (Tables)
 3 Months Ended
Jan. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule Of Accrued Liability For Estimated Future Warranty Costs
The following table summarizes the activity related to the Company’s accrued liability for estimated future warranty costs during the three months ended January 31, 2015, and January 25, 2014, respectively (in thousands):
 
Accrued Warranty
 
Three Months Ended
 
January 31,
2015
 
January 25,
2014
Beginning balance
$
7,486

 
$
8,632

Liabilities accrued for warranties issued during the period
1,262

 
866

Warranty claims paid and used during the period
(1,114
)
 
(1,761
)
Changes in liability for pre-existing warranties during the period
(446
)
 
(455
)
Ending balance
$
7,188

 
$
7,282