Property and Equipment, net - Schedule of Property and Equipment, Net (Parenthetical) (Detail) - USD ($) $ in Millions		Jun. 30, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Accumulated depreciation and amortization	[1]	$ 2,265.7	$ 2,219.1
Venezuela [Member]
Property Plant And Equipment [Line Items]
Accumulated depreciation and amortization		$ 0.5

[1] As of June 30, 2016 this amount includes $0.5 million related to the accelerated depreciation and amortization of fixed assets related to ceasing operations in Venezuela. Refer to Note 1 of the Condensed Consolidated Statement of Operations for further details.