Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance as of January 1	$ 264.1	$ 280.3	$ 316.4
Additions based on tax positions related to the current year	12.0	10.0	8.5
Additions for tax positions of prior years	3.9	4.3	2.7
Reductions for tax positions of prior years	(17.7)	(8.0)	(9.5)
Reductions resulting from the lapse of statutes of limitations	(5.6)	(5.2)	(5.5)
Settlements with taxing authorities	(5.1)	(17.3)	(32.3)
Balance as of December 31	$ 251.6	$ 264.1	$ 280.3

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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