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Derivative Financial Instruments (Tables)

12 Months Ended

Sep. 30, 2023

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 September 30, 2023 and 2022: 

			September 30, 2023
			Contract Amount															Fair Value
			Foreign Currency									USD						USD
						(In thousands)
Sell foreign currency:
Euro (EUR)			EUR			12,900						$	13,621					—
Buy foreign currency:
British pound (GBP)			GBP			10,700						$	13,100					—
Singapore dollar (SGD)			SGD			8,569						$	6,300					—

			September 30, 2022
			Contract Amount															Fair Value
			Foreign Currency									USD						USD
						(In thousands)
Sell foreign currency:
Euro (EUR)			EUR			13,500						$	13,158					—
Buy foreign currency:
British pound (GBP)			GBP			11,848						$	13,100					—
Singapore dollar (SGD)			SGD			6,169						$	4,300					—

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

			Year Ended September 30,
			2023						2022						2021
			(In thousands)
Gain (loss) on foreign currency forward contracts			$	1,625					$	(2,748)					$	2,064

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- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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Tabular disclosure of the notional amounts of outstanding derivative positions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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