Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
|
Income Tax Disclosure [Abstract] | |||||
Effective income tax | 23.30% | 14.00% | 22.40% | 19.60% | |
Deferred tax assets, net | $ 19.9 | $ 19.9 | $ 32.7 | ||
Gross unrecognized tax benefits | 23.9 | 23.9 | 30.9 | ||
Accrued interest and penalties on unrecognized tax benefits | $ 4.0 | $ 4.0 | $ 2.8 | ||
Tax benefit, extension of federal energy efficient homes tax credits | $ (53.2) | $ (58.0) |