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Income Taxes Expected Expirations of Federal and State Losses and Credits (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Federal |
Expirations of Operating Loss Carryforwards, Components [Abstract] |
2022 | $ 6.1
2023 | 5.3
2024 | 16.5
2025 and thereafter | 267.7
Indefinite | 568.9
Total | 864.5
State |
Expirations of Operating Loss Carryforwards, Components [Abstract] |
2022 | 0.4
2023 | 1.2
2024 | 9.1
2025 and thereafter | 224.9
Indefinite | 0.0
Total | 235.6
Foreign Tax Authority |
Expirations of Operating Loss Carryforwards, Components [Abstract] |
2022 | 0.0
2023 | 0.0
2024 | 0.0
2025 and thereafter | 0.8
Indefinite | 0.0
Total | 0.8
Research Tax Credit Carryforward | Federal |
Expirations of Tax Credit Carryforwards [Abstract] |
2022 | 0.0
2023 | 0.0
2024 | 0.0
2025 and thereafter | 35.1
Indefinite | 0.0
Total | 35.1
Research Tax Credit Carryforward | State |
Expirations of Tax Credit Carryforwards [Abstract] |
2022 | 0.0
2023 | 0.0
2024 | 0.0
2025 and thereafter | 0.0
Indefinite | 4.4
Total | $ 4.4

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