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Income Taxes (Narrative) (Details) € in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Feb. 29, 2024 EUR (€)
Effective Income Tax Rate Reconciliation [Line Items]
Discreet income tax benefit	$ (0.5)	$ 2.0	$ 70.0	$ 39.5
Income Tax Expense (Benefit) Excluding Discrete Items	23.8	12.7	77.2	47.1
Income tax benefit	24.3	$ 10.7	$ 7.2	$ 7.6
Luxembourg subsidiaries
Effective Income Tax Rate Reconciliation [Line Items]
Liability for Uncertainty in Income Taxes, Noncurrent | €					€ 60.0
Income tax benefit	$ (65.0)

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