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INVENTORIES (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished equipment $ 448.2 $ 419.6
Replacement parts 163.8 163.3
Work-in-process 212.1 165.6
Raw materials and supplies 288.2 221.1
Inventories 1,112.3 969.6
Inventory reserves $ 81.4 $ 85.8