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Inventories
3 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories
(4)           Inventories

Inventories comprise the following:


       
September 30,
 
June 30,
       
2013
 
2013
Finished goods
$
30,876   
 
35,015   
Work in process
 
5,944   
 
4,133   
Raw materials
 
38,170   
 
47,919   
Parts and supplies
 
15,516   
 
14,130   
 
Total
 $
90,506   
 
101,197   


At September 30, 2013, $83,404 in inventory is valued using the first-in, first-out method and $7,102 using the average cost method. At June 30, 2013, $93,320 in inventory is valued using the first-in, first-out method and $7,877 using the average cost method.