Note K - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 29, 2024	Dec. 29, 2023	Sep. 29, 2023	Mar. 31, 2023	Dec. 30, 2022	Sep. 30, 2022	Mar. 29, 2024	Mar. 31, 2023
Balance	$ 145,910	$ 140,175	$ 145,517	$ 133,765	$ 124,768	$ 131,188	$ 145,517	$ 131,188
Translation adjustment during the quarter	(3,084)	5,190	(3,036)	1,014	8,392	(6,290)	(930)	3,116
Balance	146,944	145,910	140,175	138,619	133,765	124,768	146,944	138,619
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	477	(4,678)	(1,582)	(261)	(8,594)	(2,266)	(1,582)	(2,266)
Translation adjustment during the quarter	(3,040)	5,155	(3,096)	1,023	8,333	(6,328)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0		0
Net current period other comprehensive (loss) income	3,040	(5,155)	3,096	(1,023)	(8,333)	6,328
Net current period other comprehensive income (loss)	(3,040)	5,155	(3,096)	1,023	8,333	(6,328)
Balance	(2,563)	477	(4,678)	762	(261)	(8,594)	(2,563)	762
Plan merger adjustment					0
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(6,227)	(6,119)	(5,948)	(7,825)	(6,703)	(6,614)	(5,948)	(6,614)
Translation adjustment during the quarter	0	0	0	0	0	0
Amounts reclassified from accumulated other comprehensive loss	(191)	(108)	(171)	(29)	(7)	(89)
Net current period other comprehensive (loss) income	191	108	171	29	1,122	89
Net current period other comprehensive income (loss)	(191)	(108)	(171)	(29)	(1,122)	(89)
Balance	(6,418)	(6,227)	(6,119)	(7,854)	(7,825)	(6,703)	(6,418)	(7,854)
Plan merger adjustment					(1,115)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	499	682	688	1,003	1,013	356	688	356
Translation adjustment during the quarter	0	0	0	0	0	0
Amounts reclassified from accumulated other comprehensive loss	40	(183)	(6)	(133)	(10)	657
Net current period other comprehensive (loss) income	(40)	183	6	133	10	(657)
Net current period other comprehensive income (loss)	40	(183)	(6)	(133)	(10)	657
Balance	539	499	682	870	1,003	1,013	539	870
Plan merger adjustment					0
Accumulated Gain (Loss), Net, Net Investment Hedge [Member]
Balance	1,192	1,494	1,272	1,101	1,686	1,550	1,272	1,550
Translation adjustment during the quarter	0	0	0	0	0	0
Amounts reclassified from accumulated other comprehensive loss	156	(302)	222	(91)	(585)	136
Net current period other comprehensive (loss) income	(156)	302	(222)	91	585	(136)
Net current period other comprehensive income (loss)	156	(302)	222	(91)	(585)	136
Balance	$ 1,348	$ 1,192	$ 1,494	$ 1,010	1,101	$ 1,686	$ 1,348	$ 1,010
Plan merger adjustment					$ 0