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

Inventories, net of reserves for obsolescence, consist of the following:

(In thousands)
      
   
September 30, 2012
  
March 31, 2012
 
Raw materials
 $98,374  $93,037 
Work in process
  2,767   10,077 
Finished goods
  240,970   195,004 
 
 $342,111  $298,118