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Property, Plant and Equipment
9 Months Ended
Sep. 30, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, Plant and Equipment
As of September 30, 2012, the Company had property, plant and equipment totaling $1,394,198. The Company assesses these assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, including when negative conditions such as significant current or projected operating losses exist. Other factors considered by the Company when determining if an impairment assessment is necessary include significant changes or projected changes in supply and demand fundamentals (which would have a negative impact on operating rates or margins), new technological developments, new competitors with significant raw material or other cost advantages, adverse changes associated with the U.S. and world economies and uncertainties associated with governmental actions. Long-lived assets assessed for impairment are grouped at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities.
Construction of assets pending sale-leaseback included in property, plant and equipment, net in the consolidated balance sheet at September 30, 2012 was $5,484 and pertained to the construction of transportation equipment.
Depreciation expense on property, plant and equipment of $30,055 and $27,623 is included in cost of sales in the consolidated statements of operations for the three months ended September 30, 2012 and 2011, respectively. Depreciation expense on property, plant and equipment of $90,615 and $82,423 is included in cost of sales in the consolidated statements of operations for the nine months ended September 30, 2012 and 2011, respectively.