Income Taxes (Reconciliation Of Gross Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Increases in tax positions for prior years	$ 0.3	$ 0.1
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(2.8)	0.0
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	0.4	5.0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	(1.0)	(10.6)
Unrecognized Tax Benefits as of December 31	$ 6.5	$ 9.6	$ 15.1

No definition available.

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Amount of unrecognized tax benefits.

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-Topic 740
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-Name Accounting Standards Codification
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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 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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