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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Components of Inventories
The components of inventories as of March 31, 2022 and December 31, 2021 were:
March 31,
2022
December 31,
2021
Raw materials and component parts$262.8 $229.4 
Work in process53.0 47.4 
Finished goods112.7 93.6 
Total inventories$428.5 $370.4