Hedging - Derivative Fair Value (Details) - Designated as Hedging Instruments - Foreign currency forward contracts - Cash Flow Hedging - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Total assets	$ 16.1	$ 142.5
Total liabilities	(192.6)	0.0
Prepaid expenses and other current assets
Derivative [Line Items]
Total assets	6.7	130.1
Other assets
Derivative [Line Items]
Total assets	9.4	12.4
Other current liabilities
Derivative [Line Items]
Total liabilities	(114.3)	0.0
Other long-term liabilities
Derivative [Line Items]
Total liabilities	$ (78.3)	$ 0.0