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Note 10. Product Warranty (Tables)
 6 Months Ended
Jul. 28, 2012
Schedule of Product Warranty Liability [Table Text Block]
Three Months Ended
 
Balance
Beginning
of Period
   
Additions
   
Deductions
   
Balance
End of
Period
 
July 28, 2012
 
$
1,125
   
$
232
   
$
(200)
    $
1,157
 
July 30, 2011
   
1,300
     
324
     
(297)
     
1,327
 
Six Months Ended
 
Balance
Beginning
of Period
   
Additions
   
Deductions
   
Balance
End of
Period
 
July 28, 2012
 
$
1,326
    $
356
    $
(525)
    $
1,157
 
July 30, 2011
   
1,300
     
530
     
(503)
     
1,327