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Inventories
6 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories, valued using the first in, first out method, consisted of the following:

September 30, 2014
 
March 31, 2014

(In thousands)
Raw materials
$
102,651

 
$
94,694

Work-in-process
127,481

 
115,731

Finished goods
280,647

 
272,793

Total
$
510,779

 
$
483,218