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Note 12 - Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2025

Notes Tables

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

						Unrealized
						Gains (Losses)
						on Available-				Gains (Losses)
		Currency				for-Sale				on Derivative				Pension
		Translation				Securities				Asset or Liability				Liability
		Adjustments				Net of tax				Net of tax				Adjustments				Total
Balance at September 30, 2022		$	(165,694	)		$	(10,909	)		$	93,020			$	(333	)		$	(83,916	)
Other comprehensive income (loss) before reclassifications			77,246				5,774				(61,533	)			(104	)			21,383
Amounts reclassified from accumulated other comprehensive income (loss)			—				—				—				107				107
Balance at September 30, 2023			(88,448	)			(5,135	)			31,487				(330	)			(62,426	)
Other comprehensive income (loss) before reclassifications			54,278				4,872				(10,019	)			(245	)			48,886
Amounts reclassified from accumulated other comprehensive income (loss)			—				—				—				76				76
Balance at September 30, 2024			(34,170	)			(263	)			21,468				(499	)			(13,464	)
Other comprehensive income (loss) before reclassifications			21,252				438				(30,197	)			(313	)			(8,820	)
Amounts reclassified from accumulated other comprehensive income (loss)			—				38				—				33				71
Balance at September 30, 2025		$	(12,918	)		$	213			$	(8,729	)		$	(779	)		$	(22,213	)

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- 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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