Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, Plant and Equipment, Additions	$ 0.0	$ 0.6	$ 3.9
Proceeds from disposal and sale of business interests	0.0	0.5	0.0
Revenues			1.4
Cost of revenues			(2.4)
Loss from discontinued operations before income tax	0.0	0.0	(1.0)
Income tax benefit from discontinued operations	0.0	0.0	(0.2)
Net loss from discontinued operations	$ 0.0	0.0	(0.8)
Cash Provided by (Used in) Operating Activities, Discontinued Operations			(0.8)
Cash Provided by (Used in) Investing Activities, Discontinued Operations			$ (1.6)
Conesville [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, Plant and Equipment, Additions		$ 4.0