Other Accrued Liabilities - Other Accrued Liabilities (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Accrued Liabilities, Current [Abstract]
Customer accruals	$ 543.3	$ 356.5
Accruals for manufacturing, marketing and freight expenses	38.6	35.2
Accrued self-insurance liabilities, contingencies and warranty	142.2	220.5
Derivative liabilities	6.1	27.4
Accrued income taxes	94.7	221.1
Accrued interest expense	185.6	100.1
Other	245.6	311.1
Other accrued liabilities	$ 1,256.1	$ 1,271.9