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Property, Plant And Equipment (Narrative) (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| 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 |
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Property, Plant and Equipment, Other Types [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | 115,158,000 | 105,080,000 | |
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Capitalized Interest [Member] | Property, Plant and Equipment, Other Types [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | $ 33,200,000 | $ 24,300,000 | |