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Inventories, Net
6 Months Ended
Sep. 30, 2015
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:
 
 
September 30,
2015
 
March 31,
2015
Raw materials
 
$
76,165

 
$
67,095

Work in process
 
23,885

 
22,696

Finished goods
 
121,201

 
107,695

LIFO reserve
 
(17,972
)
 
(19,071
)
Reserve for excess and obsolete inventory
 
(19,328
)
 
(17,597
)
Inventories, net
 
$
183,951

 
$
160,818