v2.4.0.6

Derivative Commodity Instruments (Tables) | 12 Months Ended
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Dec. 31, 2011
Derivative Commodity Instruments [Abstract] |
Fair Values Of Derivative Instruments In Consolidated Balance Sheets |
|  | Asset Derivatives |
|  | Balance Sheet Location |  | Fair Value as of December 31, |
|  |  | 2011 |  |  | 2010 |
Not designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Commodity forward contracts |  | Accounts receivable, net |  | $ | 2,437 |  |  | $ | 47 |
Total asset derivatives |  |  |  | $ | 2,437 |  |  | $ | 47 |
|  | Liability Derivatives |
|  | Balance Sheet Location |  | Fair Value as of December 31, |
|  |  | 2011 |  |  | 2010 |
Designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Commodity forward contracts |  | Accrued liabilities |  | $ | 3,262 |  |  | $ | — |
Not designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Commodity forward contracts |  | Accrued liabilities |  |  | 973 |  |  |  | 46 |
Total liability derivatives |  |  |  | $ | 4,235 |  |  | $ | 46 |
Impact Of Derivative Instruments Designated As Fair Value Hedges |
Derivatives in Fair Value Hedging Relationships |  | Location of Gain (Loss) Recognized in Income on Derivative |  | Year Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Commodity forward contracts |  | Cost of sales |  | $ | (4,895 | ) |  | $ | — |  |  | $ | — |
Hedged Items in Fair Value Hedging Relationships |  | Location of Gain (Loss) Recognized in Income on Hedged Items |  | Year Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Firm commitment designated as the hedged item |  | Cost of sales |  | $ | 5,092 |  |  | $ | — |  |  | $ | — |
Impact Of Derivative Instruments Not Designated As Fair Value Hedges |
Derivatives Not Designated as Hedging Instruments |  | Location of Gain (Loss) Recognized in Income on Derivative |  | Year Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Commodity forward contracts |  | Cost of sales |  | $ | 2,043 |  |  | $ | 69 |  |  | $ | 5,347 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -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 133 -Paragraph 44C -Subparagraph a -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 Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 815 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 4A -Section 50 -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959 + Details
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- Definition Tabular disclosure for other derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 815 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (e) -Name Accounting Standards Codification -Paragraph 4C -Section 50 -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 + Details
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