Income Taxes - Roll Forward of Unrecognized Tax Benefits and Associated Interest and Penalties Included in Balance Sheet (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Balance	$ 80.9	$ 70.4	$ 5.9
Tax position taken in current year	0.9	0.4	68.6
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	0.0	10.4	0.1
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	0.0	0.3	3.1
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	1.0	0.0	0.9
Balance	$ 2.4	$ 80.9	$ 70.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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