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Note 9 - Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

​		​				Unrealized				​				​				​
​		​				Gains (Losses)				​				​				​
​		​				on Available-								Pension				​
​		Currency				for-Sale				​Gains (Losses)				Liability				​
​		Translation				Securities				on Derivative				Adjustments				​
​		Adjustments				Net of tax				Net of tax				Net of tax				Total
Balance at September 30, 2023		$	(88,448	)		$	(5,135	)		$	31,487			$	(330	)		$	(62,426	)
Other comprehensive income (loss) before reclassifications			21,725				3,799				(7,971	)			(88	)			17,465
Amounts reclassified from accumulated other comprehensive income (loss)			—				—				—				66				66
Balance at June 30, 2024		$	(66,723	)		$	(1,336	)		$	23,516			$	(352	)		$	(44,895	)

​		​				Unrealized				​				​				​
​		​				Gains (Losses)				​				​				​
​		​				on Available-								Pension				​
​		Currency				for-Sale				​Gains (Losses)				Liability				​
​		Translation				Securities				on Derivative				Adjustments				​
​		Adjustments				Net of tax				Net of tax				Net of tax				Total
Balance at September 30, 2024		$	(34,170	)		$	(263	)		$	21,468			$	(499	)		$	(13,464	)
Other comprehensive income (loss) before reclassifications			33,462				262				(39,744	)			(205	)			(6,225	)
Amounts reclassified from accumulated other comprehensive income (loss)			—				—				—				54				54
Balance at June 30, 2025		$	(708	)		$	(1	)		$	(18,276	)		$	(650	)		$	(19,635	)

X

- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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No definition available.

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