Income Taxes (Summary Of Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Balance, beginning of year		$ 93.5	$ 201.4	$ 217.6
Decreases in unrecognized tax benefits as a result of tax positions taken during prior years		(8.6)	(1.4)	(3.4)
Increases in unrecognized tax benefits as a result of tax positions taken during prior years		10.2	4.1	88.6
Lapse of applicable statutes of limitations		(1.1)	(1.9)	(73.6)
Increases in unrecognized tax benefits as a result of tax positions taken during the current year		1.3	2.7	13.4
Impact of foreign currency exchange rates		6.5	(7.9)	0.6
Settlements with taxing authorities	$ (18.0)	(7.0)	(103.5)	(41.8)
Balance, end of year	$ 93.5	$ 94.8	$ 93.5	$ 201.4

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-Section 50
-Paragraph 15A
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Unrecognized tax benefits foreign currency translation gain (loss) arising during period.

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