Derivatives - Gains/(Losses) from Hedging Activities (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Gains/(Losses) from Derivatives
Revenues	$ 1,013.2	$ 1,026.1	$ 1,995.9	$ 2,009.7
Interest expense	(39.5)	(36.7)	(75.7)	(69.3)
Cash Flow Hedges \| Foreign currency contracts \| Revenues
Cash Flow and Fair Value Hedges
Gains/(losses) reclassified from AOCL into earnings	(4.2)	(4.1)	(10.8)	(1.5)
Amount excluded from effectiveness testing recognized in earnings based on an amortization approach	1.4	2.5	3.3	4.6
Cash Flow Hedges \| Interest rate contracts \| Interest Expense
Cash Flow and Fair Value Hedges
Gains/(losses) reclassified from AOCL into earnings	$ (0.1)	$ 0.1	$ (0.1)	$ 0.1

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