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Commitments and Contingencies (Details) (USD $) | 12 Months Ended |  | 3 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2009 | Dec. 31, 2011 Notes payable to bank | Dec. 31, 2011 Committed bank line | Dec. 31, 2011 Uncommitted bank lines | Oct. 03, 2009 Commodity Trading and Milling | Dec. 31, 2011 Debt guarantees of non-consolidated affiliates and third party party
Contingencies |  |  |  |  |  |
Gain on disputed sale, net of expenses | $ 16,787,000 |  |  |  | $ 16,787,000 |
Number of third parties to whom guarantees are outstanding |  |  |  |  |  | 3
Maximum exposure for guarantees outstanding |  |  |  |  |  | 1,275,000
Letters of credit outstanding |  |  | 48,078,000 | 25,045,000 |  |
Letters of credit for outstanding IDRBs |  | 26,385,000 |  |  |  |
Letters of credit related to insurance coverages |  | $ 21,500,000 |  |  |  |

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- Definition The total amount by which the borrowing capacity was reduced under letters of credit outstanding as of the reporting date for outstanding Industrial Development Revenue Bonds (IDRB's). + References No definition available. + Details
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- Definition The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6390789&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 37, 45 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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