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Joint Venture Investment (Details) - PA Acquisition - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
May 01, 2016
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment, Ownership Percentage     50.00%
Net sales $ 34.9 $ 111.2  
Gross profit 14.1 45.5  
Net income $ 4.1 $ 15.8