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Summary of Significant Accounting Policies (Details 3) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 month | Dec. 31, 2010 | Dec. 31, 2009
Cost Classifications |  |  |
Depreciation and amortization not included in cost of product sold | $ 2.5 | $ 2.8 | $ 2.9
Depreciation and amortization not included in direct operating expenses | 86.0 | 81.8 | 79.9
Depreciation and amortization not included in selling, general and administrative expenses | 1.8 | 2.1 | 2.0
Revenue Recognition |  |  |
Expected period of delivery of deferred revenue (in months) | 12 |  |
Share-Based Compensation |  |  |
Vesting period (in years) | 3 years |  |
Coffeyville refinery |  |  |
Planned Major Maintenance Costs |  |  |
Number of phases | 2 |  |
Turnaround costs | 66.4 | 1.2 |
Coffeyville refinery | Minimum |  |  |
Planned Major Maintenance Costs |  |  |
Frequency of planned major maintenance activities (in years) | 4 |  |
Coffeyville refinery | Maximum |  |  |
Planned Major Maintenance Costs |  |  |
Frequency of planned major maintenance activities (in years) | 5 |  |
Nitrogen fertilizer plant |  |  |
Planned Major Maintenance Costs |  |  |
Turnaround costs |  | $ 3.5 |
Frequency of planned major maintenance activities (in years) |  | 2 |

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- Definition Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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