Income Taxes Income Taxes Disclosure (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended		9 Months Ended
	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Jun. 30, 2021	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Income Tax Contingency [Line Items]
Income tax expense		$ (4.3)	$ 70.6			$ 21.0	$ 237.6
Reserve for Uncertain Tax Positions, Including Interest And Penalties		$ 266.7				266.7		$ 287.1
Foreign Tax Authority | Australian Taxation Office
Income Tax Contingency [Line Items]
Income Tax Examination, Partial Payment Of Income Tax Expense				$ 56.0		$ 5.2
Foreign Tax Authority | Ministry of Finance, India
Income Tax Contingency [Line Items]
Income tax expense	$ 22.3
Foreign Tax Authority | Swedish Tax Authorities (STA)
Income Tax Contingency [Line Items]
Amount of income tax, including interest and penalties under appeal					$ 18.2