Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	$ 7,325
Total Fair Value, Derivative Liabilities		$ 7,415
Foreign currency contracts
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	4,937	3,575
Total Fair Value, Derivative Liabilities	3,982	3,228
Currency Swap
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	2,388
Interest rate swaps
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities		4,187
Fair Value of Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	3,469
Total Fair Value, Derivative Liabilities		4,984
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Foreign currency contracts
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	1,081	1,310
Total Fair Value, Derivative Liabilities	1,962	797
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Interest rate swaps
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	2,388
Total Fair Value, Derivative Liabilities		4,187
Fair Value of Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	3,856
Total Fair Value, Derivative Liabilities		2,431
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Foreign currency contracts
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	3,856	2,265
Total Fair Value, Derivative Liabilities	2,020	$ 2,431
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Currency Swap
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	$ 0