Information Related to Recurring Fair Value Measurement of Derivative Instruments in Our Consolidated Condensed Balance Sheet (Detail) - Fair Value, Inputs, Level 2 - Designated as Hedging Instrument - Current Liabilities $ in Thousands	Sep. 30, 2016 USD ($)
Foreign Currency Derivatives
Derivatives Fair Value [Line Items]
Liability Derivatives, Fair value	$ (625)
Net Liabilities	(625)
Commodity Derivatives
Derivatives Fair Value [Line Items]
Liability Derivatives, Fair value	(181)
Net Liabilities	$ (181)