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Inventories
6 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories

4. Inventories

Inventories consist of the following (in thousands):

 

                 
    September 30,     March 31,  
    2012     2012  

Raw materials

  $ 18,939     $ 18,570  

Work in process

    5,979       6,270  

Finished goods and other

    35,115       37,406  
   

 

 

   

 

 

 
    $ 60,033     $ 62,246