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Accounts Receivable Securitization (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
2015 RSA [Member]            
Servicing Liabilities at Fair Value [Line Items]            
Interest accrual rate 1.10% 1.00%        
Debt Instrument, Collateral Fee     $ 1.2   $ 3.1  
2013 RSA [Member]            
Servicing Liabilities at Fair Value [Line Items]            
Debt Instrument, Collateral Fee       $ 0.8   $ 2.7