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Inventories
3 Months Ended
Mar. 31, 2022
Inventories [Abstract]  
Inventories Inventories
The components of inventories consist of the following (in millions):
Successor
 March 31, 2022December 31, 2021
Raw materials$59.6 $56.8 
Work in progress29.8 26.6 
Finished goods33.8 40.2 
 $123.2 $123.6