Note I - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 27, 2024	Dec. 29, 2023
Balance, Definite Intangible Assets Gross Carrying Amount			$ 34,533
Balance, Definite Intangible Assets Accumulated Amortization/Impairment			(21,847)
Balance at June 30, Definite Intangible Assets Net Book Value			12,686
Addition, Definite Intangible Assets Gross Carrying Amount			203
Addition, Definite Intangible Assets Net Book Value			203
Amortization, Intangible Asset	$ (880)	$ (817)	(1,806)	$ (1,636)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount			(227)
Translation adjustment, Definite Intangible Assets Net Book Value			(227)
Balance, Definite Intangible Assets Gross Carrying Amount	34,509		34,509
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(23,653)		(23,653)
Balance at June 30, Definite Intangible Assets Net Book Value	10,856		10,856
Customer Relationships [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			6,720
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(650)
Translation adjustment, Definite Intangible Assets Net Book Value			(156)
Balance at June 30, Definite Intangible Assets Net Book Value	5,914		5,914
Technology-Based Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			2,098
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(627)
Translation adjustment, Definite Intangible Assets Net Book Value			(50)
Balance at June 30, Definite Intangible Assets Net Book Value	1,421		1,421
Trade Names [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			1,511
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(125)
Translation adjustment, Definite Intangible Assets Net Book Value			(18)
Balance at June 30, Definite Intangible Assets Net Book Value	1,368		1,368
Other Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			2,357
Addition, Definite Intangible Assets Net Book Value			203
Amortization, Intangible Asset			(404)
Translation adjustment, Definite Intangible Assets Net Book Value			(3)
Balance at June 30, Definite Intangible Assets Net Book Value	$ 2,153		$ 2,153