Note I - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 25, 2020	Sep. 27, 2019
Balance, Definite Intangible Assets Gross Carrying Amount	$ 39,245
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(20,272)
Balance at June 30, Definite Intangible Assets Net Book Value	18,973
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	(835)	$ (1,129)
Amortization, Definite Intangible Assets Net Book Value	(835)	$ (1,129)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount	679
Translation adjustment, Definite Intangible Assets Net Book Value	679
Balance, Definite Intangible Assets Gross Carrying Amount	39,924
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(21,107)
Balance at June 30, Definite Intangible Assets Net Book Value	18,817
Customer Relationships [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	11,554
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	(465)
Amortization, Definite Intangible Assets Net Book Value	(465)
Translation adjustment, Definite Intangible Assets Net Book Value	413
Balance at June 30, Definite Intangible Assets Net Book Value	11,502
Technology-Based Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	5,784
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	(303)
Amortization, Definite Intangible Assets Net Book Value	(303)
Translation adjustment, Definite Intangible Assets Net Book Value	208
Balance at June 30, Definite Intangible Assets Net Book Value	5,689
Trade Names [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	1,388
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	(45)
Amortization, Definite Intangible Assets Net Book Value	(45)
Translation adjustment, Definite Intangible Assets Net Book Value	49
Balance at June 30, Definite Intangible Assets Net Book Value	1,392
Other Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value	247
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	(22)
Amortization, Definite Intangible Assets Net Book Value	(22)
Translation adjustment, Definite Intangible Assets Net Book Value	9
Balance at June 30, Definite Intangible Assets Net Book Value	$ 234