Interest and Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Income and Expenses [Abstract]
Interest income	$ 1.9	$ 2.0	$ 6.9	$ 5.3
Interest expense	(11.6)	(3.9)	(32.3)	(12.0)
Impairment of minority investments	(4.4)	0.0	(24.6)	(18.3)
Exchange gains (losses) on foreign currency transactions	0.5	(3.3)	18.4	(8.8)
Pension components	0.4	0.0	1.0	(0.1)
Other income (expense)	0.4	(0.1)	0.4	3.8
Interest and other income (expense), net	$ (12.8)	$ (5.3)	$ (30.2)	$ (30.1)

Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Amount of interest expense classified as nonoperating.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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