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Summary of Significant Accounting Policies Property, Plant and Equipment (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost $ 5,232,700,000 $ 3,640,792,000  
Less accumulated depreciation (2,426,996,000) (2,274,723,000)  
Property, plant, and equipment, net 2,805,704,000 1,366,069,000  
Depreciation [Abstract]      
Depreciation expense 191,200,000 166,000,000 161,500,000
Land and Land Improvements
      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost 140,592,000 107,250,000  
Buildings
      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost 628,948,000 390,363,000  
Machinery and Equipment
      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost 4,263,505,000 3,048,932,000  
Construction in Progress
      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost 168,808,000 67,051,000  
Other
      
Property, Plant and Equipment [Line Items]      
Property, plant, and equipment, at cost $ 30,847,000 $ 27,196,000