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Investments (Tables)
6 Months Ended
Jun. 30, 2020
Investments, Debt and Equity Securities [Abstract]  
Investments
The following table summarizes the components of investments:
June 30,
2020
December 31,
2019
Investment in equity securities$3.1  $6.9  
Equity investments 6.2  6.5  
Total investments$9.3  $13.4