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Inventories (Tables)
12 Months Ended
Mar. 31, 2013
Inventories [Abstract]  
Inventories
Inventories, net of reserves for obsolescence, consist of the following:

(In thousands)
      
March 31,
 
2013
  
2012
 
Raw materials
 $127,508  $93,037 
Work in process
  1,333   10,077 
Finished goods
  265,060   195,004 
   $393,901  $298,118