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Financial Derivatives and Hedging Activities - Additional Information (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2020
EUR (€)
Feb. 08, 2019
EUR (€)
Derivative [Line Items]      
Pre-tax loss from changes in currency exchange rates | $ $ (9.7)    
Term Loans [Member]      
Derivative [Line Items]      
Line of credit facility, maximum borrowing capacity | €   € 220,000,000 € 220,000,000
Maximum [Member] | Fair Value, Measurements [Member]      
Derivative [Line Items]      
Accumulated other comprehensive income realization period 18 months    
Minimum [Member] | Fair Value, Measurements [Member]      
Derivative [Line Items]      
Accumulated other comprehensive income realization period 12 months    
Designated as Hedging [Member] | Cash Flow Hedges [Member] | Maximum [Member]      
Derivative [Line Items]      
Maturities of foreign currency derivative contracts 18 months    
Designated as Hedging [Member] | Cash Flow Hedges [Member] | Minimum [Member]      
Derivative [Line Items]      
Maturities of foreign currency derivative contracts 1 month    
Not Designated as Hedging [Member]      
Derivative [Line Items]      
Maturities of foreign currency derivative contracts 1 month