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Selected Quarterly Financial Information (unaudited) (Details 2) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |
Turnaround costs |  |  |  |  |  | $ 38.1 | $ 109.2 | $ 6.8
Coffeyville refinery |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |
Turnaround costs | $ 2.1 | $ 29.4 | $ 84.9 | $ 15.6 | $ 1.7 | 31.5 | 102.2 | 5.5
Nitrogen fertilizer plant |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |
Turnaround costs |  |  |  | $ 6.6 | $ 0.4 | $ 6.6 | $ 7.0 | $ 0.0
East Dubuque |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |
Turnaround costs | $ 6.6 |  |  |  |  |  |  |
Period of shut down | 28 days |  |  |  |  |  |  |

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- Details
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- Details
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