Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Gross Fair Value of all Derivative Instruments

The following table summarizes the gross fair value of all derivative instruments, which are not designated as hedging instruments and their location in the consolidated balance sheets (in thousands).      

Derivative Instrument	Location	March 31, 2018		September 30, 2017
Foreign Currency Forward Contracts	Accrued Expenses and Other Current Liabilities	$	55	$	—

Company's Derivatives on Consolidated Financial Statements of Operations

The following table summarizes the Company’s gains on derivative instruments in the consolidated statements of operations for the three and six month periods ended March 31, 2018 and 2017 (in thousands):

		Three Months Ended					Six Months Ended
Derivative Instrument	Location	March 31, 2018		March 31, 2017			March 31, 2018		March 31, 2017
Foreign Currency Forward Contracts	Other Income (Expense)	$	733	$	(44	)	$	575	$	28