Financial Instruments, Risk Management and Fair Value Measurements - Schedule of Gross Fair Value and Net Balance Sheet Presentation of Our Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Derivative Asset [Abstract]
Total Gross Amounts	$ 40.1	$ 16.6
Gross Amounts Subject to Master Netting Arrangements	(6.5)	(16.6)
Net Amounts	33.6	0.0
Derivative Liability [Abstract]
Total Gross Amounts	(10.6)	(26.1)
Gross Amounts Subject to Master Netting Arrangements	6.5	16.6
Net Amounts	(4.1)	(9.5)
Net derivative assets (liabilities)	29.5	(9.5)
Netting arrangement, gross amounts subject to master netting arrangements	0.0	0.0
Net amounts of derivative assets (liabilities)	29.5	(9.5)
Not Designated as Hedging Instruments
Derivative Asset [Abstract]
Total Gross Amounts	7.7	3.0
Derivative Liability [Abstract]
Total Gross Amounts	(3.5)	(8.0)
Net derivative assets (liabilities)	4.2	(5.0)
Cash Flow Hedging \| Designated as Cash Flow Hedges
Derivative Asset [Abstract]
Total Gross Amounts	6.4	6.1
Derivative Liability [Abstract]
Total Gross Amounts	(7.1)	(9.6)
Net derivative assets (liabilities)	(0.7)	(3.5)
Net Investment Hedging \| Designated as Cash Flow Hedges
Derivative Asset [Abstract]
Total Gross Amounts	26.0	7.5
Derivative Liability [Abstract]
Total Gross Amounts	0.0	(8.5)
Net derivative assets (liabilities)	26.0	(1.0)
Foreign exchange contracts
Derivative Asset [Abstract]
Total Gross Amounts	40.1	16.6
Gross Amounts Subject to Master Netting Arrangements	(6.5)	(16.6)
Net Amounts	33.6	0.0
Derivative Liability [Abstract]
Total Gross Amounts	(10.6)	(26.1)
Gross Amounts Subject to Master Netting Arrangements	6.5	16.6
Net Amounts	(4.1)	(9.5)
Foreign exchange contracts \| Not Designated as Hedging Instruments
Derivative Asset [Abstract]
Total Gross Amounts	7.7	3.0
Derivative Liability [Abstract]
Total Gross Amounts	(3.5)	(8.0)
Foreign exchange contracts \| Cash Flow Hedging \| Designated as Cash Flow Hedges
Derivative Asset [Abstract]
Total Gross Amounts	6.4	6.1
Derivative Liability [Abstract]
Total Gross Amounts	(7.1)	(9.6)
Foreign exchange contracts \| Net Investment Hedging \| Designated as Cash Flow Hedges
Derivative Asset [Abstract]
Total Gross Amounts	26.0	7.5
Derivative Liability [Abstract]
Total Gross Amounts	$ 0.0	$ (8.5)

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