Derivative Instruments - Effect of Foreign Currency Forward Contracts and Forward Currency Options Designated as Hedging Instruments (Details) - Foreign Exchange Contract - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenue
Derivatives [Line Items]
Net Gains/(Losses) Reclassified from AOCI into Operating Income (in millions)	$ (24.3)	$ 10.9
Revenue | Cash flows, revenue
Derivatives [Line Items]
Net Gains/(Losses) Excluded from Effectiveness Testing and Recognized in Operating Income (in millions)	4.1	0.4
Operating expense
Derivatives [Line Items]
Net Gains/(Losses) Reclassified from AOCI into Operating Income (in millions)	0.7	0.7
Operating expense | Cash flows, operating expenses
Derivatives [Line Items]
Net Gains/(Losses) Excluded from Effectiveness Testing and Recognized in Operating Income (in millions)	$ (1.1)	$ (1.0)