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Inventories (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Major classes of inventories    
Finished goods $ 253.3 $ 229.4
Service parts 174.3 158.1
Raw materials and work in process 220.7 200.6
Total inventories 648.3 588.1
Product [Member]    
Major classes of inventories    
Total inventories $ 474.0 $ 430.0