Fair Value of Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2014

Fair Value Measurement of Company's Foreign Currency Forward Contracts

The Company measures its short-term investments and derivative instruments at fair value on a recurring basis. The fair value measurement of the Company’s short-term investments and derivative instruments was determined using the following inputs:

	As of June 30, 2014 (in thousands)
	Total			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable (Level 2)			Significant Unobservable (Level 3)
Short-term investments:
Corporate bonds	$	3,433		$	3,433	$	—		$	—
Government bonds		2,516			2,516		—			—
Foreign currency forward contract		(491	)		—		(491	)		—
Total	$	5,458		$	5,949	$	(491	)	$	—

	As of September 30, 2013 (in thousands)
	Total			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable (Level 2)			Significant Unobservable (Level 3)
Foreign currency forward contract	$	(351	)	$	—	$	(351	)	$	—
Total	$	(351	)	$	—	$	(351	)	$	—