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Derivative Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Derivative [Line Items]          
Amount excluded from effectiveness testing recognized in earnings based on amortization approach $ 0.0 $ 0.0 $ 0.0 $ 0.0  
Collateral posted and held by our counterparties $ 0.0   0.0   $ 0.0
Revenue          
Derivative [Line Items]          
Amount scheduled to be reclassified over the next twelve months, increase (decrease)     98.9    
Cost of revenue          
Derivative [Line Items]          
Amount scheduled to be reclassified over the next twelve months, increase (decrease)     $ (80.2)