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Derivatives - Narrative (Detail) - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Not Designated as Hedging Instrument | Foreign Currency Contracts      
Derivative [Line Items]      
Aggregate notional value $ 220,700,000   $ 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