Derivatives - Narrative (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Not Designated as Hedging Instrument | Foreign Currency Contracts
Derivative [Line Items]
Aggregate notional value	$ 111,400,000	$ 179,900,000
Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Aggregate notional value	$ 400,000,000.0
Derivative instrument, interest rate description	LIBOR
Derivative instrument, maturity date	Jan. 15, 2024
Designated as Hedging Instrument | Interest Rate Swap | Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Aggregate notional value	$ 400,000,000.0