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Inventories (Tables)
 6 Months Ended
Oct. 27, 2013
Summary of Inventories
A summary of inventories follows:
 
(dollars in thousands)                                                                                                                   
   October 27, 2013   October 28, 2012   April 28, 2013
Raw materials                                                                                        
   $ 5,592     $ 5,884     $ 5,311  
Work-in-process                                                                                                                                              
     2,383       2,789       2,539  
Finished goods                                                                                                                                        
     36,907       29,588       30,568  
                                                          
   $ 44,882     $ 38,261     $ 38,418