Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2026

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Outstanding Foreign Currency Forward Contracts

The following tables summarize our outstanding foreign currency forward contracts, by currency, at March 31, 2026 and September 30, 2025:

	March 31, 2026
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	5,400	$	6,212	$	—
Buy foreign currency:
British pound (GBP)	GBP	11,636	$	15,400	$	—
Singapore dollar (SGD)	SGD	9,355	$	7,300	$	—

	September 30, 2025
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	7,700	$	9,034	$	—
Buy foreign currency:
British pound (GBP)	GBP	10,019	$	13,500	$	—
Singapore dollar (SGD)	SGD	8,087	$	6,300	$	—

Schedule of Losses on Derivative Financial Instruments

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

	Quarter Ended March 31,				Six Months Ended March 31,
	2026		2025		2026		2025
	(In thousands)
Gains (losses) on foreign currency forward contracts	$	(409)	$	502	$	(575)	$	(882)