Note I - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 24, 2021	Sep. 25, 2020
Balance, Definite Intangible Assets Gross Carrying Amount	$ 41,142
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(23,662)
Balance at June 30, Definite Intangible Assets Net Book Value	17,480
Amortization, Intangible Asset	(826)	$ (835)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount	(186)
Translation adjustment, Definite Intangible Assets Net Book Value	(186)
Balance, Definite Intangible Assets Gross Carrying Amount	40,956
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(24,488)
Balance at June 30, Definite Intangible Assets Net Book Value	16,468
Customer Relationships [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	10,321
Amortization, Intangible Asset	(419)
Translation adjustment, Definite Intangible Assets Net Book Value	(116)
Balance at June 30, Definite Intangible Assets Net Book Value	9,786
Technology-Based Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	4,883
Amortization, Intangible Asset	(304)
Translation adjustment, Definite Intangible Assets Net Book Value	(54)
Balance at June 30, Definite Intangible Assets Net Book Value	4,525
Trade Names [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	1,282
Amortization, Intangible Asset	(46)
Translation adjustment, Definite Intangible Assets Net Book Value	(14)
Balance at June 30, Definite Intangible Assets Net Book Value	1,222
Other Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	994
Amortization, Intangible Asset	(57)
Translation adjustment, Definite Intangible Assets Net Book Value	(2)
Balance at June 30, Definite Intangible Assets Net Book Value	$ 935