Property, Plant and Equipment (Details) (USD $)								12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Land	Dec. 31, 2012 Land	Dec. 31, 2013 Land improvements	Dec. 31, 2012 Land improvements	Dec. 31, 2013 Land improvements Minimum	Dec. 31, 2013 Land improvements Maximum	Dec. 31, 2013 Buildings and improvements	Dec. 31, 2012 Buildings and improvements	Dec. 31, 2013 Buildings and improvements Minimum	Dec. 31, 2013 Buildings and improvements Maximum	Dec. 31, 2013 Machinery and equipment	Dec. 31, 2012 Machinery and equipment	Dec. 31, 2013 Machinery and equipment Minimum	Dec. 31, 2013 Machinery and equipment Maximum	Dec. 31, 2013 Uncompleted construction	Dec. 31, 2012 Uncompleted construction
Property, Plant and Equipment [Line Items]
Capital leases included in plant, property and equipment	$ 23,500,000	$ 5,200,000
Gross property, plant and equipment	2,278,614,000	3,288,630,000		16,652,000	26,336,000	13,615,000	14,199,000			192,346,000	190,078,000			1,969,493,000	2,950,384,000			86,508,000	107,633,000
Less: Accumulated depreciation	(1,567,268,000)	(2,022,405,000)
Property, plant and equipment, net	$ 711,346,000	$ 1,266,225,000	$ 1,274,484,000
Estimated Useful Lives								5 years	20 years			5 years	40 years			3 years	20 years