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Inventories
12 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories, valued using the first-in, first-out (“FIFO”) method, consist of:
 
 
 
March 31, 2013
 
March 31, 2012
 
 
(In thousands)
Raw materials
 
$
89,925

 
$
85,116

Work-in-process
 
106,194

 
123,723

Finished goods
 
292,102

 
270,628

 
 
$
488,221

 
$
479,467