Note A - Basis of Presentation and Summary of Significant Accounting Policies - Fair Value of Derivative Instruments Classified As Level 2 Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Derivative assets, current asset	$ 1,745	$ 3,144
Fair Value, Inputs, Level 2 [Member]
Derivative assets, current asset	1,745	3,253
Derivative assets, noncurrent asset	632	1,014
Fair Value Net Asset – all Derivative Contracts	2,377	4,267
Fair Value, Inputs, Level 2 [Member] | Euro Forward Contract [Member]
Derivative assets, current asset	1,448	3,144
Derivative assets, noncurrent asset	0	561
Fair Value, Inputs, Level 2 [Member] | Swiss Franc Forward Contract [Member]
Derivative assets, current asset	297	109
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Derivative assets, noncurrent asset	$ 632	$ 453