Note I - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 31, 2021	Dec. 25, 2020
Balance, Definite Intangible Assets Gross Carrying Amount			$ 41,142
Balance, Definite Intangible Assets Accumulated Amortization/Impairment			(23,662)
Balance, Definite Intangible Assets Net Book Value	$ 15,209		17,480
Addition, Definite Intangible Assets Gross Carrying Amount			4
Addition			4
Amortization, Intangible Asset	(804)	$ (843)	(1,630)	$ (1,678)
Translation adjustment, Definite Intangible Assets Gross Carrying Amount			(645)
Translation adjustment, Definite Intangible Assets Net Book Value			(645)
Balance, Definite Intangible Assets Gross Carrying Amount	40,501		40,501
Balance, Definite Intangible Assets Accumulated Amortization/Impairment	(25,292)		(25,292)
Customer Relationships [Member]
Balance, Definite Intangible Assets Net Book Value	9,092		10,321
Addition			0
Amortization, Intangible Asset			(826)
Translation adjustment, Definite Intangible Assets Net Book Value			(403)
Technology-Based Intangible Assets [Member]
Balance, Definite Intangible Assets Net Book Value	4,097		4,883
Addition			0
Amortization, Intangible Asset			(600)
Translation adjustment, Definite Intangible Assets Net Book Value			(186)
Trade Names [Member]
Balance, Definite Intangible Assets Net Book Value	1,142		1,282
Addition			0
Amortization, Intangible Asset			(90)
Translation adjustment, Definite Intangible Assets Net Book Value			(50)
Other Intangible Assets [Member]
Balance, Definite Intangible Assets Net Book Value	$ 878		994
Addition			4
Amortization, Intangible Asset			(114)
Translation adjustment, Definite Intangible Assets Net Book Value			$ (6)