Income Taxes (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended
Apr. 30, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Apr. 30, 2021	Jun. 30, 2022
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Discrete Income Tax Expense (Benefit)		$ (5.6)	$ (6.2)	$ 18.1	$ (2.2)	$ 8.3
Income Tax Expense (Benefit) Excluding Discrete Items	$ 2.6	$ 9.5	$ 14.0		$ 14.0	$ 27.8

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration