Financial Instruments - Schedule of Effect of Derivative Instruments on Condensed Consolidated Statement of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	$ (18.4)	$ 6.3
Interest rate swaps \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income	2.7	21.2
Amount of gain or (loss) recognized in income on derivative	2.7	21.2
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	(21.7)	6.6
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
Amount of gain or (loss) recognized in income on derivative	0.0	0.0
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	$ (4.7)	$ 1.0

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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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