PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT (Book Value of Land and Mineral Rights Disclosure) (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
---|---|---|
Property, Plant and Equipment [Abstract] | ||
Land Rights | $ 46.3 | $ 46.4 |
Mineral Rights [Abstract] | ||
Mineral Properties, Gross | 7,773.3 | 7,874.4 |
Mineral Properties, Accumulated Depletion | 942.6 | 727.0 |
Mineral Properties, Net | $ 6,830.7 | $ 7,147.4 |
X | ||||||||||
- Definition
Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The accumulated decrease in the carrying value of the mineral properties as a result of mine or mineral production. No definition available.
|
X | ||||||||||
- Definition
Carrying amount at the balance sheet date of mineral properties, gross of adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Mineral properties, net of adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|