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Derivatives - Forward Notional Contracts (Details) - Foreign currency forward contracts
$ in Millions
Mar. 31, 2021
USD ($)
DerivativeInstrument
Dec. 31, 2020
USD ($)
Designated as hedging instrument | Derivatives designated as cash flow hedges    
Derivative [Line Items]    
Average number of contracts entered into per month | DerivativeInstrument 150  
Aggregate notional amount of derivative | $ $ 128.6 $ 168.2
Not designated as hedging instrument | Fair Value Hedging    
Derivative [Line Items]    
Average number of contracts entered into per month | DerivativeInstrument 20  
Aggregate notional amount of derivative | $ $ 93.7 $ 74.8