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Derivative - Assets and Liabilities (Details) - Not Designated as Hedging Instrument [Member] - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]    
Asset Fair Value $ 19.7 $ 8.2
Liability Fair Value 4.2 2.5
Commodity contracts    
Derivative [Line Items]    
Asset Fair Value 19.7 8.2
Liability Fair Value 3.6 2.2
Foreign exchange contracts    
Derivative [Line Items]    
Asset Fair Value 0.0 0.0
Liability Fair Value $ 0.6 $ 0.3