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Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Related Party Transaction [Line Items]      
Royalties for IP   $ 2.6  
Parent services $ 1.4 1.4  
Total due to (from) related parties 2.0   $ 2.7
Estimated liability under TRA 72.7   72.7
Royalties Under Intercompany IP License Agreement      
Related Party Transaction [Line Items]      
Total due to (from) related parties (0.6)   (0.5)
Parent Services      
Related Party Transaction [Line Items]      
Total due to (from) related parties (0.4)   (0.8)
Reimbursable Expenses      
Related Party Transaction [Line Items]      
Total due to (from) related parties (1.0)   $ (1.4)
Intellectual property      
Related Party Transaction [Line Items]      
Royalties for IP 0.0 $ 7.3  
Intellectual property, Third-party      
Related Party Transaction [Line Items]      
Royalties for IP $ 1.7