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Note 10 - Derivative Financial Instruments - Fair Value of Swaps Recognized in Accrued Liabilities and in Other Comprehensive Income (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2025	Jun. 30, 2024
Fair Value, Liability	$ 58	$ 4,673
Interest Rate Swaps Effective February 23, 2023 [Member]
Notional Amount	$ 100,000
Fixed Rate	0.86%
Maturity	Mar. 23, 2025
Fair Value, Liability	$ 0	3,045
Interest Rate Swaps Effective May 25, 2023 [Member]
Notional Amount	$ 25,000
Fixed Rate	0.81%
Maturity	Apr. 24, 2025
Fair Value, Liability	$ 58	863
Interest Rate Swap Effective February 24, 2023 [Member]
Notional Amount	$ 25,000
Fixed Rate	0.86%
Maturity	Mar. 24, 2025
Fair Value, Liability	$ 0	$ 765

X

- Definition

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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X

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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X

- Definition

Date derivative contract ends, in YYYY-MM-DD format.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Details

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