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Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 218.7 $ 198.8
Work-in-process 254.9 245.7
Finished goods 144.9 152.1
Demonstration units 91.6 95.7
Inventories 710.1 692.3
Inventory-in-transit $ 49.5 $ 67.8