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Financial Instruments and Risk Management (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Sep. 27, 2019
Derivative [Line Items]        
Realized gain on interest rate swaps $ 0.1 $ 0.0    
Pretax losses deferred on contracts (3.6) 0.0    
Deferred income tax (benefit) expense (0.9) $ 0.0    
Interest Rate Swap        
Derivative [Line Items]        
Derivative amount       $ 150.0
Prepaid expenses and other current assets        
Derivative [Line Items]        
Cash deposits related to commodity derivative contracts $ 2.3   $ 1.0