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Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Finished goods $ 768.9 $ 641.3
Repair and replacement parts 684.8 652.3
Work in process 317.0 175.1
Raw materials 589.6 505.7
Inventories, net $ 2,360.3 $ 1,974.4