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Inventories, Net
9 Months Ended
Dec. 31, 2014
Inventory, Net [Abstract]  
Inventories, Net [Text Block]
INVENTORIES, NET
Inventories, net, consist of:
(In thousands)
December 31, 2014
 
March 31, 2014
Hardgoods
$
332,565

 
$
313,127

Gases
167,005

 
165,022

 
$
499,570

 
$
478,149