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Risk Management and Derivatives - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2021
USD ($)
d
Dec. 31, 2020
USD ($)
d
Sep. 30, 2020
USD ($)
d
Derivative [Line Items]      
Minimum maturity 1 month    
Maximum maturity 24 months    
Interest rate swaps      
Derivative [Line Items]      
Number of derivative contracts outstanding | d 0 0 0
Not Designated as Hedging Instrument | Foreign currency contracts      
Derivative [Line Items]      
Notional amount $ 431.1 $ 313.1 $ 262.9
Cash Flow Hedges | Foreign currency contracts      
Derivative [Line Items]      
Notional amount $ 739.1 $ 812.5 $ 301.2