Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Supplemental Cash Flow [Line Items]      
Capital expenditures included in current liabilities [1] $ 122.7    
Cash paid for interest, net of interest capitalized amounts 40.3    
Cash paid for income taxes $ 0.2    
Predecessor      
Supplemental Cash Flow [Line Items]      
Capital expenditures included in current liabilities [1]   $ 78.5 $ 53.1
Cash paid for interest, net of interest capitalized amounts   53.6 39.5
Cash paid for income taxes   $ 21.5 $ 10.2
[1] Capital expenditures included in current liabilities is comprised of "Accrued capital expenditures" and certain other amounts included within "Accounts payable" on the Consolidated and Combined Balance Sheets.