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Income Taxes - Net Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Income Tax Disclosure [Abstract] |  |  |  |
Deferred income taxes | $ 8.2 | $ 9.7 |  |
Other noncurrent liabilities | 1.3 | 1.3 |  |
Net unrecognized tax benefits | 9.5 | 11.0 |  |
Gross unrecognized tax benefits | $ 9.5 | $ 11.0 | $ 9.1 | $ 16.5

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- Definition Unrecognized Tax Benefit Recorded in Deferred Income Taxes + References No definition available. + Details
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