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Accounts Receivable Securitization - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Transfers and Servicing [Abstract]    
Capacity of securitization program $ 75.0  
Trade accounts receivable balance sold 19.5 $ 64.2
Fair value of deferred purchase price notes $ 30.6 $ 54.1
Period for which the entity will be able to comply with the financial covenants 12 months