Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Discrete Income Tax Expense (Benefit)	$ 2.0	$ (1.4)	$ 39.5	$ 6.9
Income Tax Expense (Benefit) Excluding Discrete Items	12.7	$ 12.4	$ 47.1	$ 40.2
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 6.2

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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