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Commitments And Contingencies (Tables)
 9 Months Ended
Jul. 27, 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 nine months ended July 27, 2013, and July 28, 2012, respectively (in thousands):
 
Accrued Warranty
 
Nine Months Ended
 
July 27,
2013
 
July 28,
2012
Beginning balance
$
14,453

 
$
11,298

Liabilities accrued for warranties issued during the period
3,753

 
5,827

Warranty claims paid and used during the period
(6,500
)
 
(1,095
)
Changes in liability for pre-existing warranties during the period
(2,050
)
 
(1,652
)
Ending balance
$
9,656

 
$
14,378