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Inventories - Summary of Inventories (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Finished goods $ 927.6us-gaap_InventoryFinishedGoodsNetOfReserves $ 899.9us-gaap_InventoryFinishedGoodsNetOfReserves
Work in progress 101.4us-gaap_InventoryWorkInProcessNetOfReserves 87.8us-gaap_InventoryWorkInProcessNetOfReserves
Raw materials 188.0us-gaap_InventoryRawMaterialsNetOfReserves 181.3us-gaap_InventoryRawMaterialsNetOfReserves
Inventories $ 1,217.0us-gaap_InventoryNet $ 1,169.0us-gaap_InventoryNet