Inventories (Detail) - Entity [Domain] - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw materials and supplies	$ 296.0	$ 250.0
Work-in-process	81.3	71.0
Finished goods	1,506.7	1,183.7
Total inventories	$ 1,884.0	$ 1,504.7