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Capitalized Interest Capitalized Interest (Tables)
 6 Months Ended
Jun. 30, 2013
Capitalized Interest [Abstract]  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
The summary of capitalized interest for the three and six months ended June 30, 2013 and 2012 is as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
2013
 
2012
 
2013
 
2012
Capitalized interest, beginning of period
$
14,625

 
$
18,170

 
$
15,376

 
$
18,869

Interest capitalized to inventory
3,328

 
2,688

 
6,105

 
4,554

Capitalized interest charged to cost of sales
(3,693
)
 
(2,891
)
 
(7,221
)
 
(5,456
)
Capitalized interest, end of period
$
14,260

 
$
17,967

 
$
14,260

 
$
17,967

 
 
 
 
 
 
 
 
Interest incurred
$
7,725

 
$
6,149

 
$
14,842

 
$
12,621