Note S - 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, 2025	Jun. 30, 2024
Unrealized gain (loss) on hedges	$ (1,851)	$ 46
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Unrealized Gain (Loss) on Hedges [Member] | Cash Flow Hedging [Member]
Unrealized gain (loss) on hedges	(220)	(184)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Interest Expense [Member]
Gain (loss) on derivative instruments	270	262
Euro Denominated Revolving Loan [Member] | Designated as Hedging Instrument [Member] | Unrealized Gain (Loss) on Hedges [Member] | Net Investment Hedging [Member]
Unrealized gain (loss) on hedges	$ (1,631)	$ 230