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Warranties (Tables)
 6 Months Ended
Apr. 26, 2013
Product Warranties Disclosures [Abstract]  
Changes in the product warranty reserve
The following table reconciles the changes in the product warranty reserve:
 
Quarter Ended
 
Six Months Ended
(in thousands)
April 26, 2013
 
April 27, 2012
 
April 26, 2013
 
April 27, 2012
Balance, beginning of period
$
87,427

 
$
101,816

 
$
100,646

 
$
82,737

Accrual for warranty expensed during the period
12,442

 
14,546

 
24,921

 
25,901

Settlements made during the period
(15,455
)
 
(14,577
)
 
(40,708
)
 
(22,033
)
Effect of foreign currency translation
(723
)
 
644

 
(1,168
)
 
27

Adjusted acquired warranty accrual
—

 
—

 
—

 
15,797

Balance, end of period
$
83,691

 
$
102,429

 
$
83,691

 
$
102,429