v2.4.0.6

COMMITMENTS AND CONTINGENCIES Narrative 1 (Details) (USD $) | 3 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Jul. 31, 2012 Grace Energy Corporation Matter [Member] | Jun. 30, 2012 Grace Energy Corporation Matter [Member] | Sep. 30, 2012 Grace Energy Corporation Matter [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss Contingency Accrual, at Carrying Value | $ 300,000 |  | $ 300,000 |  |  |  |
Court Judgment, Remediation Costs Not Recoverable by Plaintiff |  |  |  |  |  |  | 3,500,000
Court Judgment, Attorney Costs Awarded to Plaintiff |  |  |  |  |  |  | 1,800,000
Deptartment of Justice Estimated Remediation Expenses |  |  |  |  |  |  | 71,900,000
Payments for Legal Settlements |  |  |  |  | 13,100,000 |  |
Gain on legal settlement | $ 0 | $ 0 | $ 28,738,000 | $ 0 |  | $ 28,700,000 |

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- Definition Remediation costs not recoverable by plaintiff, per a court judgment. + References No definition available. + Details
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- Definition Department of Justice past and future estimated remediation expenses. + References No definition available. + Details
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- Definition Represents the amount of income or expense recognized in the period to settle pending or threatened litigation. + References No definition available. + Details
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- Details
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- Definition The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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