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Inventories
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
8. Inventories

The components of inventories were as follows:
(in millions)June 30,
2020
December 31,
2019
Raw materials$48.0  $44.4  
Work in process3.5  3.5  
Finished goods284.5  235.4  
Total inventories$336.0  $283.3