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Summary of Significant Accounting Policies (Details 3) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 M | Dec. 31, 2011 | Dec. 31, 2010
Cost Classifications |  |  |
Depreciation and amortization not included in cost of product sold | $ 3.7 | $ 2.5 | $ 2.8
Depreciation and amortization not included in direct operating expenses | 124.1 | 86.0 | 81.8
Depreciation and amortization not included in selling, general and administrative expenses | 2.2 | 1.8 | 2.1
Revenue Recognition |  |  |
Expected period of delivery of deferred revenue (in months) | 12 |  |
Long-Term Incentive Plan | Restricted Shares |  |  |
Share-Based Compensation |  |  |
Offer price per Share on restricted stock awards vested in 2012 | $ 30.00 |  |
Number of non-transferable contingent cash payments right for each restricted stock awards vested in 2012 (in shares) | 1 |  |
Coffeyville refinery |  |  |
Planned Major Maintenance Costs |  |  |
Number of phases | 2 |  |
Turnaround costs | 21.2 | 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 |  |
Wynnewood refinery |  |  |
Planned Major Maintenance Costs |  |  |
Turnaround costs | 102.5 |  |
Nitrogen fertilizer plant |  |  |
Planned Major Maintenance Costs |  |  |
Turnaround costs | $ 4.8 |  | $ 3.5
Frequency of planned major maintenance activities (in years) | 2 |  |

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