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Derivative Instruments - Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Derivatives, Fair Value [Line Items]      
Derivative asset, fair value $ 17,184 $ 27,207 $ 8,569
Derivative liability, fair value 15,185 9,212 15,676
Designated as hedging instruments      
Derivatives, Fair Value [Line Items]      
Derivative asset, fair value 14,881 24,529 3,830
Derivative liability, fair value 8,514 2,140 15,204
Designated as hedging instruments | Foreign Exchange Forward | Prepaid expenses and other current assets      
Derivatives, Fair Value [Line Items]      
Derivative asset, fair value 12,198 18,747 3,748
Designated as hedging instruments | Foreign Exchange Forward | Other noncurrent assets      
Derivatives, Fair Value [Line Items]      
Derivative asset, fair value 2,683 5,782 82
Designated as hedging instruments | Foreign Exchange Forward | Accrued liabilities      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value 7,808 1,917 11,352
Designated as hedging instruments | Foreign Exchange Forward | Other noncurrent liabilities      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value 706 223 3,852
Not designated as hedging instruments | Foreign Exchange Forward | Prepaid expenses and other current assets      
Derivatives, Fair Value [Line Items]      
Derivative asset, fair value 2,303 2,678 4,739
Not designated as hedging instruments | Foreign Exchange Forward | Accrued liabilities      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value $ 6,671 $ 7,072 $ 472