v2.4.0.8
Property, Plant And Equipment (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 4,986,750,000 $ 4,408,550,000  
Depreciation expense 136,400,000 126,700,000 118,900,000
Property, Plant and Equipment, Other Types [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 115,158,000 105,080,000  
Capitalized Interest [Member] | Property, Plant and Equipment, Other Types [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 33,200,000 $ 24,300,000