Income Taxes (Income Tax Contingency) (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Gross unrecognized tax benefits | $ 14.0 | $ 12.3 |
| Gross unrecognized tax benefits that would affect income tax expense | 14.0 | 12.3 |
| Decrease in income tax expense upon recognition of gross unrecognized tax benefits | 13.6 | 11.9 |
| Total Liability For Unrecognized Tax Benefits | $ 15.4 | $ 13.1 |