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Operations and Summary of Significant Accounting Policies (Summary of Inventory) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]    
Finished goods $ 718.2 $ 641.3
Repair and replacement parts 697.8 652.3
Work in process 282.8 175.1
Raw materials 894.9 505.7
Inventories, net $ 2,593.7 $ 1,974.4