Schedule II - Valuation and Qualifying Accounts and Reserves (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	[1]	$ (119.7)	$ (97.0)	$ (79.7)
Charges to costs and expense	[1]	(111.6)	(93.1)	(92.5)
Deductions from reserves	[1]	76.4	67.4	74.9
Other	[1],[2]	9.4	3.0	0.3
Balance at end of period	[1]	$ (145.5)	$ (119.7)	$ (97.0)

[1] Principally consisting of reserves for uncollectable accounts and sales returns and allowances.

[2] Principally consisting of foreign currency translation.