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Financial Instruments (Details) - Foreign Exchange Forward - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Designated as Hedging Instrument    
Derivative Financial Instruments    
Fair value $ 0.2 $ 2.0
Notional amount $ 92.0 108.1
Designated as Hedging Instrument | Cash Flow Hedging | Maximum    
Derivative Financial Instruments    
Maturity term 1 year  
Not Designated as Hedging Instrument    
Derivative Financial Instruments    
Fair value $ (0.2) 0.6
Notional amount $ 33.3 $ 124.4
Not Designated as Hedging Instrument | Maximum    
Derivative Financial Instruments    
Maturity term 1 year