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Inventories
3 Months Ended
Jul. 31, 2011
Inventories
5.  Inventories

Inventories are carried at the lower of cost or market.  Cost is determined using the FIFO (first-in, first-out) method.

A summary of inventories follows:

             
(dollars in thousands)
 
July 31, 2011
   
May 1, 2011
 
Raw materials
  $ 6,278     $ 6,130  
Work-in-process
    2,219       2,421  
Finished goods
    26,361       20,172  
    $ 34,858     $ 28,723