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Property, Plant, and Equipment
3 Months Ended
Sep. 30, 2013
Property, Plant, and Equipment [Abstract]  
Property, Plant, and Equipment
5)           Property, Plant, and Equipment

Property, plant, and equipment, net, is comprised of the following:


               
September 30,
 
June 30,
               
2013
 
2013
Land, land improvements, and land use rights
$
9,125   
 
9,085   
Building and improvements
 
88,234   
 
87,486   
Machinery and equipment
 
200,839   
 
196,915   
Furnaces
       
204,059   
 
202,444   
Mineral reserves
   
55,843   
 
55,843   
Mine development
 
4,863   
 
4,863   
Other
         
11,842   
 
11,279   
Construction in progress
 
7,011   
 
6,786   
 
Property, plant, and equipment, gross
 
581,816   
 
574,701   
Less accumulated depreciation, depletion and amortization
 
(163,742)  
 
(152,254)  
 
Property, plant, and equipment, net
 $
418,074   
 
422,447   


Depreciation, depletion and amortization expense for the three months ended September 30, 2013 was $11,287, of which $11,018 is recorded in cost of goods sold and $269 is recorded in selling, general, and administrative expenses, respectively. Depreciation, depletion and amortization expense for the three months ended September 30, 2012 was $11,683, of which $11,502 is recorded in cost of goods sold and $181 is recorded in selling, general, and administrative expenses, respectively.

Capitalized interest for the three months ended September 30, 2013 and 2012 was $0 and $0, respectively.