Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Line Items]
Federal income tax	$ 11.7
State income taxes, net of federal effect	4.1
Other, net	3.3
Federal - Current	(2.6)	$ (17.7)	$ (20.0)
State and Local - Current	0.0	(0.1)	0.4
Total Current	(2.6)	(17.8)	(19.6)
Federal - Deferred	21.2	10.2	24.5
State and Local - Deferred	4.3	4.6	1.7
Total Deferred	25.5	14.8	26.2
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations	$ 22.9	$ (3.0)	$ 6.6