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Summary of Significant Accounting Policies - Schedule Of Inventory, Current (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Finished goods $ 139.4 $ 157.4
Work-in-process 12.1 10.8
Raw materials and supplies 124.1 92.3
Total $ 275.6 $ 260.5