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Lines of Credit and Financing Arrangements (Eligible Amounts Available and Beneficial Interest Sold) (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Eligible amounts available and beneficial interests sold    
Eligible amount available under the ASP on qualified accounts receivable $ 325.0 $ 250.0
Less: Beneficial interest sold 325.0 50.0
Remaining amount available $ 0.0 $ 200.0