Property and Equipment, net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Land and improvements	$ 41.4	$ 43.5
Buildings	709.6	718.9
Machinery and equipment	2,320.7	2,330.5
Other property and equipment	119.2	116.3
Construction-in-progress	119.0	114.7
Property and equipment, gross	3,309.9	3,323.9
Accumulated depreciation and amortization	(2,326.2)	(2,325.5)
Property and equipment, net	$ 983.7	$ 998.4