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Inventories
9 Months Ended
Jan. 28, 2012
Inventories [Abstract]  
Inventories
Note 4. Inventories

Inventories consisted of the following:
 
   
January 28,
  
April 30,
 
   
2012
  
2011
 
        
Raw materials
 $27,789  $18,795 
Work-in-process
  5,588   8,457 
Finished goods
  18,602   19,637 
   $51,979  $46,889