Note I - Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 27, 2020	Mar. 29, 2019	Mar. 27, 2020	Mar. 29, 2019
Balance, Definite Intangible Assets Gross Carrying Amount			$ 39,587
Balance, Definite Intangible Assets Accumulated Amortization/Impairment			(14,434)
Balance at June 30, Definite Intangible Assets Net Book Value			25,153
Additions, Definite Intangible Assets Gross Carrying Amount			78
Additions, Definite Intangible Assets Net Book Value			78
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment	$ (1,148)	$ (746)	(3,420)	$ (1,995)
Amortization, Definite Intangible Assets Net Book Value	(1,148)	$ (746)	(3,420)	$ (1,995)
Impairment, Definite Intangible Assets Accumulated Amortization/Impairment			(1,306)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount			(580)
Translation adjustment, Definite Intangible Assets Net Book Value			(580)
Balance, Definite Intangible Assets Gross Carrying Amount	39,085		39,085
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(19,160)		(19,160)
Balance at June 30, Definite Intangible Assets Net Book Value	19,925		19,925
Customer Relationships [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			14,843
Additions, Definite Intangible Assets Net Book Value
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment			(2,252)
Amortization, Definite Intangible Assets Net Book Value			(2,252)
Impairment, Definite Intangible Assets Accumulated Amortization/Impairment
Translation adjustment, Definite Intangible Assets Net Book Value			(381)
Balance at June 30, Definite Intangible Assets Net Book Value	12,210		12,210
Technology-Based Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			7,025
Additions, Definite Intangible Assets Net Book Value
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment			(854)
Amortization, Definite Intangible Assets Net Book Value			(854)
Impairment, Definite Intangible Assets Accumulated Amortization/Impairment
Translation adjustment, Definite Intangible Assets Net Book Value			(150)
Balance at June 30, Definite Intangible Assets Net Book Value	6,021		6,021
Trade Names [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			2,733
Additions, Definite Intangible Assets Net Book Value
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment			(190)
Amortization, Definite Intangible Assets Net Book Value			(190)
Impairment, Definite Intangible Assets Accumulated Amortization/Impairment			(1,080)
Translation adjustment, Definite Intangible Assets Net Book Value			(44)
Balance at June 30, Definite Intangible Assets Net Book Value	1,419		1,419
Other Intangible Assets [Member]
Balance at June 30, Definite Intangible Assets Net Book Value			552
Additions, Definite Intangible Assets Net Book Value			78
Amortization, Definite Intangible Assets Accumulated Amortization/Impairment			(124)
Amortization, Definite Intangible Assets Net Book Value			(124)
Impairment, Definite Intangible Assets Accumulated Amortization/Impairment			(226)
Translation adjustment, Definite Intangible Assets Net Book Value			(5)
Balance at June 30, Definite Intangible Assets Net Book Value	$ 275		$ 275