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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Oct. 07, 2022	Mar. 31, 2024	Dec. 31, 2023
Income Tax Contingency [Line Items]
Unrecognized tax benefits		$ 443.3
UTB that would impact effective tax rate		346.0
Reduction in UTB		$ 348.0
Income tax penalties and interest expense	$ 110.0
Income tax examination, liability (refund) adjustment from settlement with taxing authority			$ 315.0
Tax Year 2018 | Income Tax Contingency
Income Tax Contingency [Line Items]
Damages sought	$ 284.0

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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