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Inventories
 3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories as of March 31, 2022 and December 31, 2021 consisted of the following.
March 31, 2022December 31, 2021
Raw materials, including parts and subassemblies$557.7 $506.6 
Work-in-process111.6 88.6 
Finished goods310.0 283.4 
979.3 878.6 
LIFO reserve(24.4)(24.4)
Inventories$954.9 $854.2