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Note 2 - Acquisitions - Components of Fair Value of Acquisitions and Allocation of Purchase Price For Acquisition of McStarlite (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Feb. 05, 2025	Sep. 30, 2025	Jun. 30, 2025
Goodwill		$ 599,923	$ 610,338
McStarlite [Member]
Cash payments		57,549	57,549
Cash payments, adjustments		0
Less: cash acquired		(586)	(586)
Less: cash acquired, adjustments		0
Total	$ 57,000	56,963	56,963
Total, adjustments		0
Other acquired assets		8,808	8,808
Other acquired assets, adjustments		0
Inventories		6,744	6,744
Inventories, adjustments		0
Customer backlog	19,700
Customer backlog, adjustments		0
Property, plant, and equipment		8,603	8,603
Property, plant, and equipment, adjustments		0
Identifiable intangible assets	24,500	24,500	24,500
Goodwill	$ 16,200	16,207	16,761
Goodwill, adjustments		(554)
Liabilities assumed		(11,869)	(12,423)
Liabilities assumed, adjustments		554
Total		56,963	56,963
McStarlite [Member] | Order or Production Backlog [Member]
Customer backlog		3,970	$ 3,970
Customer backlog, adjustments		$ 0

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-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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