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Inventories (Tables)
6 Months Ended
Nov. 02, 2014
Inventory Disclosure [Abstract]  
Summary of Inventories
A summary of inventories follows:
                   
(dollars in thousands)
 
November 2, 2014
   
October 27, 2013
   
April 27, 2014
 
Raw materials
  $ 5,657     $ 5,592     $ 6,707  
Work-in-process
    2,190       2,383       2,263  
Finished goods
    30,381       36,907       31,704  
    $ 38,228     $ 44,882     $ 40,674