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v3.23.3

Fair Value Measurement - Assets and Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Cash, cash equivalents, and restricted cash | $ 269.4 | $ 244.5 | $ 392.9 | $ 818.7
Fixed maturities available-for-sale | 141.5 | 121.1 |  |
Short-term investments | 188.5 | 324.8 |  |
Total financial assets | 599.4 | 690.4 |  |
Financial liabilities: |  |  |  |
Contingent consideration liability | 13.5 | 11.9 |  |
Total financial liabilities | 13.7 | 12.2 |  |
Public warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.1 | 0.2 |  |
Private placement warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.1 | 0.1 |  |
U.S. government and agencies |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 22.1 | 21.1 |  |
Short-term investments | 123.3 | 128.9 |  |
States and other territories |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 9.5 | 8.3 |  |
Corporate securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 69.4 | 52.5 |  |
Short-term investments | 17.6 | 49.4 |  |
Foreign securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.9 | 0.8 |  |
Residential mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 18.9 | 18.9 |  |
Commercial mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 7.0 | 5.8 |  |
Asset backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 13.7 | 13.7 |  |
Commercial paper |  |  |  |
Financial assets: |  |  |  |
Short-term investments | 47.6 | 146.5 |  |
Level 1 |  |  |  |
Financial assets: |  |  |  |
Cash, cash equivalents, and restricted cash | 269.4 | 244.5 |  |
Fixed maturities available-for-sale | 22.1 | 21.1 |  |
Short-term investments | 123.3 | 128.9 |  |
Total financial assets | 414.8 | 394.5 |  |
Financial liabilities: |  |  |  |
Contingent consideration liability | 0.0 | 0.0 |  |
Total financial liabilities | 0.1 | 0.2 |  |
Level 1 | Public warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.1 | 0.2 |  |
Level 1 | Private placement warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.0 | 0.0 |  |
Level 1 | U.S. government and agencies |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 22.1 | 21.1 |  |
Short-term investments | 123.3 | 128.9 |  |
Level 1 | States and other territories |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 1 | Corporate securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Short-term investments | 0.0 | 0.0 |  |
Level 1 | Foreign securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 1 | Residential mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 1 | Commercial mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 1 | Asset backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 1 | Commercial paper |  |  |  |
Financial assets: |  |  |  |
Short-term investments | 0.0 | 0.0 |  |
Level 2 |  |  |  |
Financial assets: |  |  |  |
Cash, cash equivalents, and restricted cash | 0.0 | 0.0 |  |
Fixed maturities available-for-sale | 119.4 | 100.0 |  |
Short-term investments | 65.2 | 195.9 |  |
Total financial assets | 184.6 | 295.9 |  |
Financial liabilities: |  |  |  |
Contingent consideration liability | 0.0 | 0.0 |  |
Total financial liabilities | 0.1 | 0.1 |  |
Level 2 | Public warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.0 | 0.0 |  |
Level 2 | Private placement warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.1 | 0.1 |  |
Level 2 | U.S. government and agencies |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Short-term investments | 0.0 | 0.0 |  |
Level 2 | States and other territories |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 9.5 | 8.3 |  |
Level 2 | Corporate securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 69.4 | 52.5 |  |
Short-term investments | 17.6 | 49.4 |  |
Level 2 | Foreign securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.9 | 0.8 |  |
Level 2 | Residential mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 18.9 | 18.9 |  |
Level 2 | Commercial mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 7.0 | 5.8 |  |
Level 2 | Asset backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 13.7 | 13.7 |  |
Level 2 | Commercial paper |  |  |  |
Financial assets: |  |  |  |
Short-term investments | 47.6 | 146.5 |  |
Level 3 |  |  |  |
Financial assets: |  |  |  |
Cash, cash equivalents, and restricted cash | 0.0 | 0.0 |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Short-term investments | 0.0 | 0.0 |  |
Total financial assets | 0.0 | 0.0 |  |
Financial liabilities: |  |  |  |
Contingent consideration liability | 13.5 | 11.9 |  |
Total financial liabilities | 13.5 | 11.9 |  |
Level 3 | Public warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.0 | 0.0 |  |
Level 3 | Private placement warrants |  |  |  |
Financial liabilities: |  |  |  |
Warrants liabilities | 0.0 | 0.0 |  |
Level 3 | U.S. government and agencies |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Short-term investments | 0.0 | 0.0 |  |
Level 3 | States and other territories |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 3 | Corporate securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Short-term investments | 0.0 | 0.0 |  |
Level 3 | Foreign securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 3 | Residential mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 3 | Commercial mortgage-backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 3 | Asset backed securities |  |  |  |
Financial assets: |  |  |  |
Fixed maturities available-for-sale | 0.0 | 0.0 |  |
Level 3 | Commercial paper |  |  |  |
Financial assets: |  |  |  |
Short-term investments | $ 0.0 | $ 0.0 |  |

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