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	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021
Derivative assets, current asset	$ 4,441	$ 3,144
Derivative assets, current liability	(67)	$ 0
Fair Value, Inputs, Level 2 [Member]
Derivative assets, current asset	4,441		$ 3,253
Derivative assets, noncurrent asset	627		1,014
Derivative assets, current liability	(67)		0
Fair Value Net Asset – all Derivative Contracts	5,001		4,267
Fair Value, Inputs, Level 2 [Member] \| Euro Forward Contract [Member]
Derivative assets, current asset	4,441		3,144
Derivative assets, noncurrent asset	0		561
Fair Value, Inputs, Level 2 [Member] \| Swiss Franc Forward Contract [Member]
Derivative assets, current asset	0		109
Derivative assets, current liability	(67)		0
Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Derivative assets, noncurrent asset	$ 627		$ 453

Fair value, after the effects of master netting arrangements, of a 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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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