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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
(in millions)September 30,
2020
December 31, 2019
Raw materials$14.8 $14.1 
Work in process1.0 1.5 
Finished goods4.8 1.7 
Total inventories$20.6 $17.3