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Note 5 - Derivative Instruments (Tables)

9 Months Ended

Jun. 30, 2025

Notes Tables

Derivative Instruments, Gain (Loss) [Table Text Block]

​		Three Months Ended								Nine Months Ended
​		June 30,								June 30,
​		2025				2024				2025				2024
Realized losses on derivatives not designated as hedging instruments		$	(4,242	)		$	(415	)		$	(4,246	)		$	(2,202	)

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

​	​		June 30,				September 30,
​	Hedge Designation		2025				2024
​	​		​				​
Cross-currency swap	Net Investment Hedge		$	260,025			$	75,978
Foreign exchange contracts	Undesignated			46,975				60,101

X

- 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 4CC
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
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- Definition

Tabular disclosure of the notional amounts of outstanding derivative positions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
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