Derivatives - Schedule of Pre-Tax Losses (Gains) Recognized on Derivative Financial Instruments in Condensed Consolidated Statements of Operations (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Not Designated as Hedging Instrument | Foreign Currency Contracts | Selling, General and Administrative Expenses
Derivative Instruments Gain Loss [Line Items]
Gain related to derivatives	$ 1.2	$ (3.7)
Designated as Hedging Instrument | Derivatives Designated as Cash Flow Hedges | Interest Rate Swap Agreements | Interest Expense, Net
Derivative Instruments Gain Loss [Line Items]
Gain related to derivatives	$ (0.2)