Property, Plant, and Equipment

12 Months Ended

Dec. 31, 2012

(7) Property, Plant, and Equipment

A summary of costs for property, plant, and equipment is as follows:

	December 31,

	2012		2011
	(in thousands)
Land and improvements	$	30,992	$	26,136
Buildings		40,617		37,289
Machinery and equipment		2,089,545		1,967,269
Automotive equipment		14,969		10,217
Furniture and fixtures		13,658		12,349
Leasehold improvements		2,483		1,445
Railcars		2,496		2,496
Construction in progress		189,291		94,085

		2,384,051		2,151,286
Accumulated depreciation		601,133		478,325

	$	1,782,918	$	1,672,961

Capitalized interest recognized as a reduction in interest expense for the years ended December 31, 2012, 2011 and 2010 totaled approximately $10.8 million, $3.9 million and $1.8 million, respectively. Land, building and equipment that are under a capital lease obligation had an original carrying value of approximately $25.1 million, $24.9 million and $5.2 million as of December 31, 2012, 2011 and 2010. Amortization of assets held under capital leases is included in depreciation expense.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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