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Derivative Instruments and Hedging Activities - Interest Rate Swap Agreements (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
interest_rate_swaps
U.S. Dollar-denominated interest rate swaps | LIBOR  
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (47,983)
Weighted-Average Remaining Term (Years) 3 years 7 months 6 days
Derivative, Fixed Interest Rate 2.80%
Derivative, Notional Amount $ 1,063,011
Euro-denominated interest rate swaps | EURIBOR  
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (9,044)
Weighted-Average Remaining Term (Years) 3 years 11 months 1 day
Derivative, Fixed Interest Rate 3.80%
Derivative, Notional Amount $ 75,352
Interest rate swap agreements  
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (57,027)
Derivative, Number of Instruments Held | interest_rate_swaps 3
Minimum [Member] | Interest rate swap agreements  
Derivative [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 0.30%
Maximum | Interest rate swap agreements  
Derivative [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 3.95%