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Inventories
 6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
The components of inventories as of June 30, 2022 and December 31, 2021 were:
June 30,
2022		December 31,
2021
Raw materials and component parts$286.0 $229.4 
Work in process54.1 47.4 
Finished goods117.3 93.6 
Total inventories$457.4 $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.