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PLANT, PROPERTY AND EQUIPMENT, NET - Components of Plant, Property and Equipment, Net (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Property, Plant and Equipment [Abstract]    
Document Period End Date Sep. 30, 2017  
Land and improvements $ 29.2 $ 28.2
Machinery and equipment 999.4 898.6
Buildings and improvements 258.0 244.6
Furniture, fixtures and office equipment 72.4 68.0
Construction work in progress 62.0 68.5
Other 11.0 5.3
Plant, property and equipment, gross 1,432.0 1,313.2
Less: Accumulated depreciation (928.5) (848.7)
Plant, property and equipment, net $ 503.5 $ 464.5