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Inventories, Net (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Finished goods $ 52.9 $ 57.6
Work in process 22.3 19.3
Raw materials and purchased parts 101.5 90.3
Total FIFO cost 176.7 167.2
Excess of FIFO cost over LIFO inventory value (14.7) (12.3)
Total inventories $ 162.0 $ 154.9
Domestic inventories, valued using the last-in, first-out ("LIFO") method, as a percentage of total inventory 38.00% 36.00%