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Inventories
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table summarizes the components of inventory:
 
March 31,
2020
 
December 31,
2019
Raw materials and supplies
$
111.6

 
$
104.0

Work in process
56.9

 
47.5

Finished goods
66.9

 
67.9

Total inventories, net
$
235.4

 
$
219.4


The allowance for excess and obsolete inventory balance at March 31, 2020 and December 31, 2019 was $10.2 and $10.8, respectively.