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Commitments And Contingencies (Tables)
 3 Months Ended
Jan. 26, 2013
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 26, 2013 and January 28, 2012 (in thousands):
 
Accrued Warranty
 
Three Months Ended
 
January 26,
2013
 
January 28,
2012
Beginning balance
$
14,453

 
$
11,298

Liabilities accrued for warranties issued during the period
970

 
1,777

Warranty claims paid and used during the period
(1,995
)
 
(229
)
Changes in liability for pre-existing warranties during the period
(1,101
)
 
(479
)
Ending balance
$
12,327

 
$
12,367