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Inventories, Net
9 Months Ended
Dec. 31, 2011
Inventory, Net [Abstract]  
Inventories, Net
INVENTORIES, NET
Inventories, net, consist of:
 
(In thousands)
December 31, 2011
 
March 31, 2011
Hardgoods
$
292,644

 
$
246,607

Gases
100,719

 
115,895

 
$
393,363

 
$
362,502



Hardgoods inventories determined using the last-in, first-out (“LIFO”) inventory method totaled $36 million at December 31, 2011 and $32 million at March 31, 2011. The balance of the hardgoods inventories is valued using the first-in, first-out (“FIFO”) and average-cost inventory methods. If the hardgoods inventories valued under the LIFO method had been valued using the FIFO method, the carrying value of hardgoods inventory would have been $12.0 million higher at December 31, 2011 and $11.1 million higher at March 31, 2011. Substantially all of the inventories are finished goods.