Income Taxes (Accounting for Uncertainty in Tax Positions) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Unrecognized Tax Benefits [Roll Forward]
Gross unrecognized tax benefits - beginning of the year	$ 13.0	$ 26.5
Increases as a resulting of tax positions taken during a prior-year period	0.9	0.6
Decreases as a result of tax positions taken during a prior-year period	(0.1)	(14.3)
Increases as a result of tax positions taken during the current period	2.1	1.9
Decreases relating to settlements with tax authorities	(4.7)	(0.4)
Decreases as a result of lapse of the applicable statute of limitations	(0.1)	(1.3)
Gross unrecognized tax benefits - end of the year	$ 11.1	$ 13.0

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

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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

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