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Commitments and Contingencies Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2020
Commitments and Contingencies [Abstract]  
Summary of Maturities of Lease Liabilities The following is a summary of our maturities of our lease liabilities as of September 30, 2020:
(in millions)
Year ended December 31, Operating Leases
Remainder of 2020$0.9 
20213.3 
20222.9 
20232.7 
20242.8 
Thereafter2.1 
Less: discount for time value(1.6)
Lease liability as of September 30, 2020$13.1