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Inventories
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
The following table summarizes the components of inventories:
(in millions)20212020
Finished goods$87.9 $95.3 
Raw materials116.4 76.6 
Work in process24.8 13.1 
Total inventories (a)
$229.1 $185.0 
(a)    Amounts at December 31, 2021 include inventories acquired in the acquisitions of OSW, Ground Force and Deist - see Note 2 - Acquisitions.