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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2012
Fair Value Measurements |
Schedule of assets and liabilities measured at estimated fair value on a recurring basis | The following table presents information about our assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2012 and 2011 (in thousands):
|  | Level 1 |  | Level 2 |  | Level 3 |  | Sub-Total |  | Netting and Collateral |  | Total |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 18,087 |  | $ | 57,682 |  | $ | — |  | $ | 75,769 |  | $ | (56,115) |  | $ | 19,654 |
Foreign currency contracts |  |  | — |  |  | 2,434 |  |  | — |  |  | 2,434 |  |  | (2,289) |  |  | 145 |
Hedged item inventories |  |  | — |  |  | 818 |  |  | — |  |  | 818 |  |  | — |  |  | 818 |
|  | $ | 18,087 |  | $ | 60,934 |  | $ | — |  | $ | 79,021 |  | $ | (58,404) |  | $ | 20,617 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 20,970 |  | $ | 44,732 |  | $ | — |  | $ | 65,702 |  | $ | (49,562) |  | $ | 16,140 |
Foreign currency contracts |  |  | — |  |  | 3,845 |  |  | — |  |  | 3,845 |  |  | (2,289) |  |  | 1,556 |
Hedged item inventories |  |  | — |  |  | 525 |  |  | — |  |  | 525 |  |  | — |  |  | 525 |
|  | $ | 20,970 |  | $ | 49,102 |  | $ | — |  | $ | 70,072 |  | $ | (51,851) |  | $ | 18,221 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 14,038 |  | $ | 51,033 |  | $ | — |  | $ | 65,071 |  | $ | (43,275) |  | $ | 21,796 |
Foreign currency contracts |  |  | — |  |  | 2,994 |  |  | — |  |  | 2,994 |  |  | (893) |  |  | 2,101 |
Hedged item inventories |  |  | — |  |  | 3,216 |  |  | — |  |  | 3,216 |  |  | — |  |  | 3,216 |
Hedged item commitments |  |  | — |  |  | 206 |  |  | — |  |  | 206 |  |  | — |  |  | 206 |
|  | $ | 14,038 |  | $ | 57,449 |  | $ | — |  | $ | 71,487 |  | $ | (44,168) |  | $ | 27,319 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 10,148 |  | $ | 46,754 |  | $ | — |  | $ | 56,902 |  | $ | (43,291) |  | $ | 13,611 |
Foreign currency contracts |  |  | — |  |  | 1,018 |  |  | — |  |  | 1,018 |  |  | (893) |  |  | 125 |
Hedged item commitments |  |  | — |  |  | 24 |  |  | — |  |  | 24 |  |  | — |  |  | 24 |
Earn-out |  |  | — |  |  | — |  |  | 4,194 |  |  | 4,194 |  |  | — |  |  | 4,194 |
|  | $ | 10,148 |  | $ | 47,796 |  | $ | 4,194 |  | $ | 62,138 |  | $ | (44,184) |  | $ | 17,954 |
Schedule of assets and liabilities that are measured at fair value on a recurring basis that utilized Level 3 inputs | The following table presents information about our assets and liabilities that are measured at fair value on a recurring basis that utilized Level 3 inputs for the periods presented (in thousands):
|  | Beginning of Period |  | Total Gains (Losses) Included in Earnings |  | Settlements |  | End of Period |  | Change in Unrealized Gains Relating to Assets and Liabilities that are Held at end of Period |  | Location of Total Gains (Losses) Included in Earnings
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | — |  | $ | 1,271 |  | $ | 1,271 |  | $ | — |  | $ | — |  | Revenue
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out |  | $ | 4,194 |  | $ | (110) |  | $ | 4,304 |  | $ | — |  | $ | — |  | Other income (expense), net
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 90 |  | $ | — |  | $ | 90 |  | $ | — |  | $ | — |  | Revenue
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out |  | $ | 5,012 |  | $ | 818 |  | $ | — |  | $ | 4,194 |  | $ | 818 |  | Other income (expense), net

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- Definition Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
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