PLANT, PROPERTY AND EQUIPMENT, NET - Components of Plant, Property and Equipment, Net (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Land and improvements	$ 30.0	$ 25.4
Machinery and equipment	928.0	909.3
Buildings and improvements	244.4	242.0
Furniture, fixtures and office equipment	69.3	66.3
Construction work in progress	45.6	42.3
Other	5.6	6.7
Plant, property and equipment, gross	1,322.9	1,292.0
Less: Accumulated depreciation	(872.6)	(848.5)
Plant, property and equipment, net	$ 450.3	$ 443.5