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Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]    
Land $ 69.7 $ 69.9
Buildings and improvements 484.3 479.1
Machinery and equipment 1,579.3 1,575.1
Property, plant and equipment, gross 2,133.3 2,124.1
Less: Accumulated depreciation (1,210.2) (1,198.5)
Property, plant and equipment, net $ 923.1 $ 925.6