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		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	$ (12.2)	$ (0.5)	$ (30.6)	$ 5.8
Interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income	5.1	9.9	7.8	31.1
Amount of gain or (loss) recognized in income on derivative	5.1	9.9	7.8	31.1
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax net gain or (loss) recognized in OCI on derivative	(60.9)	4.7	(82.6)	11.3
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 forward contracts | Non-operating income (expense) – net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivative	$ 16.9	$ (5.2)	$ 12.2	$ (4.2)