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Debt and Other Financial Instruments - Components of Debt (Additional Information) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Jan. 27, 2016
Senior Notes      
Debt Instrument [Line Items]      
Stated interest rate 9.50%   9.50%
Unamortized debt issuance cost $ 7.1 $ 7.3  
Term Loan      
Debt Instrument [Line Items]      
Unamortized debt issuance cost 4.1 4.3  
Unamortized discount $ 2.3 $ 2.4  
Term Loan | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate 3.25%    
Variable interest rate, floor 0.75%    
Revolving Credit | Other Borrowings | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.00%