Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Land	$ 109.8	$ 108.2
Buildings and improvements	775.9	757.3
Machinery and equipment	2,624.4	2,777.7
Property, plant and equipment, gross	3,510.1	3,643.2
Less: Accumulated depreciation	(1,945.4)	(1,935.7)
Property, plant and equipment, net	$ 1,564.7	$ 1,707.5