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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
8. Inventories

The components of inventories were as follows:
(in millions)September 30,
2020
December 31,
2019
Raw materials$42.8 $44.4 
Work in process3.8 3.5 
Finished goods253.9 235.4 
Total inventories$300.5 $283.3