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Commitments and Contingencies (Details)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Nov. 08, 2013
bbl
people
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Self Insurance Reserve $ 17.8 $ 17.2  
Self Insurance Reserve Expected To Be Paid Subsequent To Next Fiscal Year 11.3    
Loss Contingency, Estimate of Possible Loss 7.0    
Payments for Other Taxes 8.6    
Loss Contingency Accrual, at Carrying Value   0.1  
Arrow Acquisition Class Action Lawsuit      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Loss Contingency, Loss of Life, Number | people     47
Minimum | Arrow Acquisition Class Action Lawsuit      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Barrels of Oil Equivalents Spilled | bbl     50,000
Tres Palacios Holdings LLC      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Loss Contingency, Estimate of Possible Loss 2.0    
Crestwood Midstream Partners LP      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Self Insurance Reserve 12.3 $ 11.4  
Self Insurance Reserve Expected To Be Paid Subsequent To Next Fiscal Year $ 7.1