Derivative Financial Instruments (Tables)

3 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The following tables summarize our outstanding foreign currency forward contracts, by currency, at December 31, 2014 and September 30, 2014:

	December 31, 2014
	Contract Amount				Fair Value
	Foreign Currency		US$		US$
	(In thousands)
Sell foreign currency:
Canadian dollar (CAD)	CAD	2,400	$	2,072	$	—
Euro (EUR)	EUR	4,550	$	5,536	$	—
Buy foreign currency:
British pound (GBP)	GBP	6,643	$	10,350	$	—

	September 30, 2014
	Contract Amount				Fair Value
	Foreign Currency		US$		US$
	(In thousands)
Sell foreign currency:
Canadian dollar (CAD)	CAD	3,300	$	2,960	$	—
Euro (EUR)	EUR	3,800	$	4,790	$	—
Buy foreign currency:
British pound (GBP)	GBP	6,795	$	11,000	$	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

Gains (losses) on derivative financial instruments are recorded in our condensed consolidated statements of income and comprehensive income as a component of other income (expense), net, and consisted of the following:

	Quarter Ended December 31,
	2014			2013
	(In thousands)
Gains (losses) on Foreign currency forward contracts	$	(329	)	$	338