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Commitments And Contingencies (Tables)
 3 Months Ended
Jan. 25, 2014
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 25, 2014, and January 26, 2013, respectively (in thousands):
 
Accrued Warranty
 
Three Months Ended
 
January 25,
2014
 
January 26,
2013
Beginning balance
$
8,632

 
$
14,453

Liabilities accrued for warranties issued during the period
866

 
970

Warranty claims paid and used during the period
(1,761
)
 
(1,995
)
Changes in liability for pre-existing warranties during the period
(455
)
 
(1,101
)
Ending balance
$
7,282

 
$
12,327