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Product Warranties and Guarantees (Tables)
 9 Months Ended
Aug. 28, 2011
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Changes in the product warranty accrual were as follows:
 
 
Nine Months Ended
(In thousands)
 
August 28,

2011
 
August 29,

2010
Balance, beginning of period
 
$
3,214


 
$
3,396


Payments
 
(1,386
)
 
(998
)
Warranties issued during the period
 
2,033


 
374


Balance, end of period
 
$
3,861


 
$
2,772