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Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials and parts $ 246.9 $ 216.1
Work-in-process 71.5 50.4
Finished goods 32.1 28.9
Used equipment 2.4 3.3
Total $ 352.9 $ 298.7