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Inventories
 12 Months Ended
Dec. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories as of December 31, 2023 and 2022 consisted of the following.
20232022
Raw materials, including parts and subassemblies$590.7 $625.0 
Work-in-process145.1 122.2 
Finished goods337.8 338.7 
1,073.6 1,085.9 
LIFO reserve(72.5)(60.5)
Inventories$1,001.1 $1,025.4 
At December 31, 2023 and 2022, 37% and 42%, respectively, of total inventory is accounted for on a last-in, first-out (“LIFO”) basis.