Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Operations and Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax gain or (loss) recognized in OCI on derivative	$ 17.0	$ (0.2)	$ 59.3	$ 1.4
Interest rate Swaps \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income	4.8	(0.9)	3.9	(2.4)
Amount of gain or (loss) recognized in income on derivative	4.8	(0.9)	3.9	(2.4)
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax gain or (loss) recognized in OCI on derivative	22.4	0.0	29.9	0.0
Cross-currency swaps \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Amount of gain or (loss) recognized in income on derivative	0.0	0.0	0.0	0.0
Foreign exchange collar \| Non-operating income (expense) – net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivative	0.0	0.0	0.0	(2.5)
Foreign exchange forward contracts \| Non-operating income (expense) – net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivative	$ (14.4)	$ (3.6)	$ (29.3)	$ (2.1)

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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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