Inventories (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw materials and supplies	$ 293.0	$ 250.0
Work-in-process	120.6	71.0
Finished goods	1,369.6	1,183.7
Total	$ 1,783.2	$ 1,504.7