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Inventories, Net
9 Months Ended
Dec. 31, 2013
Notes To Financial Statements [Abstract]  
Inventories, Net
Inventories, Net

Inventories, net are stated at the lower of cost or market. We use the last-in, first-out (“LIFO”) and first-in, first-out cost methods. An actual valuation of inventory under the LIFO method is made only at the end of the fiscal year based on the inventory levels and costs at that time. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and are subject to the final fiscal year-end LIFO inventory valuation. Inventory costs include material, labor, and overhead. Inventories, net consisted of the following:
 
 
December 31,
2013
 
March 31,
2013
Raw materials
 
$
59,401

 
$
54,456

Work in process
 
28,603

 
24,300

Finished goods
 
102,870

 
96,616

LIFO reserve
 
(16,039
)
 
(18,944
)
Reserve for excess and obsolete inventory
 
(14,936
)
 
(11,985
)
Inventories, net
 
$
159,899

 
$
144,443