Note I - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Mar. 29, 2024	Mar. 31, 2023	Mar. 31, 2024	Jul. 01, 2023
Balance, Definite Intangible Assets Gross Carrying Amount	$ 31,272		$ 31,272			$ 31,925
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(21,115)		(21,115)			(19,288)
Balance at June 30, Definite Intangible Assets Net Book Value	10,157		10,157		$ 10,157	12,637
Addition, Definite Intangible Assets Gross Carrying Amount			89
Addition, Definite Intangible Assets Net Book Value			89
Reduction, Definite Intangible Assets Gross Carrying Amount			(631)
Reduction, Definite Intangible Assets Accumulated Amortization/Impairment			631
Amortization, Intangible Asset	(822)	$ (738)	(2,458)	$ (2,140)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount			(111)
Translation adjustment, Definite Intangible Assets Net Book Value			(111)
Customer Relationships [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	5,552		5,552			6,553
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(935)
Translation adjustment, Definite Intangible Assets Net Book Value			(66)
Technology-Based Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	1,364		1,364			2,422
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(923)
Translation adjustment, Definite Intangible Assets Net Book Value			(135)
Trade Names [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	734		734			668
Addition, Definite Intangible Assets Net Book Value			0
Amortization, Intangible Asset			(39)
Translation adjustment, Definite Intangible Assets Net Book Value			105
Other Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	$ 2,507		2,507			$ 2,994
Addition, Definite Intangible Assets Net Book Value			89
Amortization, Intangible Asset			(561)
Translation adjustment, Definite Intangible Assets Net Book Value			$ (15)