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DISCONTINUED OPERATIONS (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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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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Dec. 31, 2013
Sonoma [Member]
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Dec. 31, 2012
Sonoma [Member]
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Dec. 31, 2011
Sonoma [Member]
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Jul. 10, 2012
Sonoma [Member]
Asia Pacific Coal [Member]
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Dec. 31, 2013
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
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Dec. 31, 2012
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
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Dec. 31, 2011
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Percentage Of Ownership Interests | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 45.00% | Ìý | Ìý | Ìý |
| Statements of Consolidated Operations | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Disposal Group, Including Discontinued Operation, Revenue | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 0 | $ 151.6 | $ 230.4 | Ìý | Ìý | Ìý | Ìý |
| Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0 | 38.0 | 0 |
| Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 8.1 | Ìý |
| INCOME and GAIN ON SALE FROM DISCONTINUED OPERATIONS, net of tax | 0 | 2.0 | 0 | 0 | 30.8 | (2.7) | 2.3 | 5.5 | 2.0 | 35.9 | 20.1 | 2.0 | 35.9 | 38.6 | Ìý | 2.0 | (2.1) | 38.6 |
| Discontinued Operation, Tax Effect of Discontinued Operation | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 2.4 | $ 12.4 |
| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee. No definition available.
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- Definition
Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax benefit from provision recognizing a loss for initial, or subsequent, write-down to fair value (less cost to sell) of a of a disposal group that is classified as a component of the entity, which remains unsold as of the reporting date. May include a tax on the (gain) for the recognition of a subsequent increase in fair value (less cost to sell), but not in excess of the cumulative loss previously recognized through write-downs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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