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Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Components of Inventory
The components of inventories were as follows:
December 31,
(in millions)20202019
Raw materials$36.8 $44.4 
Work in process3.5 3.5 
Finished goods264.8 235.4 
Total inventories$305.1 $283.3