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Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials and parts $ 216.1 $ 154.6
Work-in-process 54.0 57.3
Finished goods 29.6 34.0
Used equipment 3.3 3.8
Total $ 303.0 $ 249.7