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Summary of Significant Accounting Policies (Details 3) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Planned Major Maintenance Costs            
Turnaround costs       $ 109.2 $ 6.8 $ 0.0
Cost Classifications            
Depreciation and amortization not included in cost of product sold       6.7 6.3 5.0
Depreciation and amortization not included in direct operating expenses       149.7 141.8 134.5
Depreciation and amortization not included in selling, general and administrative expenses       $ 7.7 6.3 $ 3.3
Revenue Recognition            
Expected period of delivery of deferred revenue       12 months    
Nitrogen fertilizer plant            
Planned Major Maintenance Costs            
Turnaround costs       $ 7.0 0.0  
Nitrogen fertilizer plant | Minimum            
Planned Major Maintenance Costs            
Frequency of planned major maintenance activities       2 years    
Nitrogen fertilizer plant | Maximum            
Planned Major Maintenance Costs            
Frequency of planned major maintenance activities       3 years    
Petroleum refineries | Minimum            
Planned Major Maintenance Costs            
Frequency of planned major maintenance activities       4 years    
Petroleum refineries | Maximum            
Planned Major Maintenance Costs            
Frequency of planned major maintenance activities       5 years    
Coffeyville refinery            
Planned Major Maintenance Costs            
Turnaround costs $ 84.9 $ 15.6 $ 1.7 $ 102.2 5.5  
Wynnewood refinery            
Planned Major Maintenance Costs            
Turnaround costs       $ 0.0 $ 1.3