Derivative Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Outstanding Foreign Currency Forward Contracts

The following tables summarize our outstanding foreign currency forward contracts, by currency, at June 30, 2020 and September 30, 2019:

	June 30, 2020
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,400	$	11,629	$	—
Buy foreign currency:
British pound (GBP)	GBP	19,434	$	23,900	$	—
Singapore dollar (SGD)	SGD	9,895	$	7,100	$	—

	September 30, 2019
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,800	$	11,723	$	—
Buy foreign currency:
British pound (GBP)	GBP	5,200	$	6,400	$	—
Singapore dollar (SGD)	SGD	5,798	$	4,200	$	—

Losses on Derivative Financial Instruments

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

	Quarter Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
	(In thousands)
Losses on foreign currency forward contracts	$	380	$	928	$	1,429	$	612