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Derivative Instruments and Hedging Activity (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Maximum [Member]      
Derivative instruments and hedging activity for the period [Abstract]      
Number of months for contracts to mature 18 months    
Forward Exchange Contracts [Member] | Cash Flow Hedges [Member]      
Derivative instruments and hedging activity for the period [Abstract]      
Derivative, fair value $ 32.7   $ 54.1
Foreign Currency Denominated Debt, Net Investment Hedging [Member]      
Derivative instruments and hedging activity for the period [Abstract]      
Carrying value of foreign denominated debt 315.4   $ 325.0
Impact of foreign exchange rates on debt instruments recorded in other comprehensive income $ 9.6 $ 8.4