Note A - Organization and Summary of Significant Accounting Policies - Fair Value of Derivative Instruments Classified As Level 2 Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Forward contracts	$ 390	$ 3,144
Fair Value, Inputs, Level 2 [Member]
Forward contracts	390	3,253
Derivative assets, noncurrent asset	547	1,014
Fair Value Net Asset – all Derivative Contracts	937	4,267
Fair Value, Inputs, Level 2 [Member] | Euro Forward Contract [Member]
Forward contracts	250	3,144
Derivative assets, noncurrent asset	15	561
Fair Value, Inputs, Level 2 [Member] | Swiss Franc Forward Contract [Member]
Forward contracts	140	109
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Derivative assets, noncurrent asset	$ 532	$ 453