Property, Plant and Equipment, Net (Detail) - Entity [Domain] - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 1,946.1	$ 1,932.8
Less: Accumulated depreciation	(1,135.7)	(1,082.9)
Total property, plant and equipment, net	810.4	849.9
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	56.8	62.5
Building
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	442.1	460.1
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,368.0	1,311.4
Construction in Progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 79.2	$ 98.8