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Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 170.3 $ 131.4
Work in progress 40.8 43.6
Finished goods 123.4 122.8
Total Inventory $ 334.5 $ 297.8