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Inventories
 9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
The components of inventories as of September 30, 2022 and December 31, 2021 were:
September 30,
2022		December 31,
2021
Raw materials and component parts$287.5 $229.4 
Work in process49.9 47.4 
Finished goods117.9 93.6 
Total inventories$455.3 $370.4 

Inventories are stated at the lower of cost or net realizable value. Cost, which includes material, labor and overhead, is determined on a first in, first out basis.