Note 10. Income Taxes Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Residual Tax Release from AOCI		$ 11.9
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 0.9	(10.6)	$ 0.7
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	1.8	3.2	1.1
Income (Loss) from Continuing Operations before Income Taxes, Domestic	212.9	137.2	127.1
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 8.9	$ 11.8	$ (0.6)