|
PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2013
Construction in Progress [Member]
|
Dec. 31, 2012
Construction in Progress [Member]
|
|
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation And Depletion | $ 135.9 | $ 111.4 | ||
| Accumulated amount of capitalized interest included within construction in progress | 24.2 | 17.1 | ||
| Interest costs capitalized during the period | $ 7.1 | $ 15.4 | ||
| X | ||||||||||
|
- Definition
The aggregate expense recognized in the current period that allocates the cost of tangible assets or depleting assets to periods that benefit from use of the assets. No definition available.
|
| X | ||||||||||
|
- Definition
Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis. No definition available.
|
| X | ||||||||||
|
- Definition
Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|