Other Current Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Other Current Liabilities [Line Items]
Cooperative advertising, customer rebates and allowances	$ 107.5	$ 118.5
Deferred income	183.4	17.4
Warranty and product liability reserves	96.4	102.9
Accrued environmental and other litigation	14.5	20.4
Other	260.4	218.1
Total	$ 662.2	$ 477.3