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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Components of Inventory
The components of inventories were as follows:
 
December 31,
(in millions)
2019
 
2018
Raw materials
$
44.4

 
$
55.4

Work in process
3.5

 
4.3

Finished goods
235.4

 
280.9

Total inventories
$
283.3

 
$
340.6