Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Operations and Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest rate swaps \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income	$ 75.4	$ 13.2	$ (3.4)
Amount of gain (loss) recognized in income on derivatives	75.4	13.2	(3.4)
Interest rate swaps \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	(43.4)	55.6	11.1
Cross-currency swaps \| Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	(17.0)	2.9	0.0
Foreign exchange collar \| Non-operating income (expense) – net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income on derivatives	0.0	0.0	(2.5)
Foreign exchange forward contracts \| Non-operating income (expense) – net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income on derivatives	$ 7.9	$ (12.1)	$ 1.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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