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Information Related to Recurring Fair Value Measurement of Derivative Instruments in Our Consolidated Condensed Balance Sheet (Detail) - Fair Value, Inputs, Level 2 - Foreign Currency Derivatives - Designated as Hedging Instrument
$ in Thousands
Jun. 30, 2019
USD ($)
Derivatives Fair Value [Line Items]  
Net Asset/ (Liabilities) $ 1,155
Current Assets  
Derivatives Fair Value [Line Items]  
Asset Derivatives, Fair Value $ 1,155