Note R - Derivative Financial Instruments - Impact of the Company's Derivative Instruments on the Consolidated Statement of Operations and Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Unrealized gain (loss) on hedges	$ (155)	$ (1,851)
Interest Rate Swap Included in Interest Expense [Member] \| Designated as Hedging Instrument [Member] \| Interest Expense 1 [Member] \| Cash Flow Hedging [Member]
Gain (loss) on derivative instruments	162	270
Interest Rate Swap Included in Unrealized Gain (Loss) on Hedges [Member] \| Designated as Hedging Instrument [Member] \| Unrealized Gain (Loss) on Hedges [Member] \| Cash Flow Hedging [Member]
Unrealized gain (loss) on hedges	(285)	(220)
Euro Denominated Revolving Loan [Member] \| Designated as Hedging Instrument [Member] \| Net Investment Hedging [Member]
Net investment hedge	$ 130	$ (1,631)

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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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 946
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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