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Property, Plant, and Equipment
12 Months Ended
Jun. 30, 2012
Property, Plant, and Equipment [Abstract]  
Property, Plant, and Equipment
(6)
Property, Plant, and Equipment

Property, plant, and equipment, net is comprised of the following at June 30:

 
2012
 
 
2011
 
Land, land improvements, and land use rights
 
$
10,831
 
 
 
6,907
 
Building and improvements
 
 
76,395
 
 
 
43,076
 
Machinery and equipment
 
 
175,305
 
 
 
93,891
 
Furnaces
 
 
193,055
 
 
 
136,177
 
Mineral Reserves
 
 
55,843
 
 
 
—
 
Mine Development
 
 
4,058
 
 
 
—
 
Other
 
 
4,852
 
 
 
3,993
 
Construction in progress
 
 
23,616
 
 
 
23,743
 
Property, plant, and equipment, gross
 
 
543,955
 
 
 
307,787
 
Less accumulated depreciation, depletion and amortization
 
 
(111,194
)
 
 
(77,810
)
Property, plant, and equipment, net
 
$
432,761
 
 
 
229,977
 

Depreciation, depletion and amortization expense for the year ended June 30, 2012 was $34,848, of which $34,083 is recorded in cost of goods sold and $765 is recorded in selling, general, and administrative expenses, respectively. Depreciation, depletion and amortization expense for the year ended June 30, 2011 was $25,055, of which $24,330 is recorded in cost of goods sold and $725 is recorded in selling, general, and administrative expenses, respectively. Depreciation, depletion and amortization expense for the year ended June 30, 2010 was $20,362, of which $19,912 is recorded in cost of goods sold and $450 is recorded in selling, general, and administrative expenses, respectively.

Capitalized interest for the years ended June 30, 2012, 2011, and 2010 was $24, $52, and $376, respectively.