Income Taxes (Income Tax Contingency) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
Gross unrecognized tax benefits	$ 12.5	$ 11.1
Gross unrecognized tax benefits that would affect income tax expense	12.5	11.1
Decrease in income tax expense upon recognition of gross unrecognized tax benefits	$ 12.2	$ 10.9