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Investments - Investments in Equity Securities (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($)
Equity Securities |
Beginning balance | $ 77.8
New investments | 3.4
(Decrease) increase in fair value of investments in equity securities | (2.6)
Foreign currency translation adjustments and other | (0.6)
Ending balance | 78.0
Investment in Equity Securities Level 1 |
Equity Securities |
Beginning balance | 31.3
New investments | 0.0
(Decrease) increase in fair value of investments in equity securities | (3.7)
Foreign currency translation adjustments and other | (0.7)
Ending balance | 26.9
Investment in Equity Securities, Level 2 |
Equity Securities |
Beginning balance | 6.2
New investments | 0.0
(Decrease) increase in fair value of investments in equity securities | 1.1
Foreign currency translation adjustments and other | 0.1
Ending balance | 7.4
Investments in Equity Securities, All Others |
Equity Securities |
Beginning balance | 40.3
New investments | 3.4
(Decrease) increase in fair value of investments in equity securities | 0.0
Foreign currency translation adjustments and other | 0.0
Ending balance | $ 43.7

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