Note k - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 29, 2023	Sep. 30, 2022
Balance	$ 145,517	$ 145,517	$ 131,188
Translation adjustment during the quarter	(3,036)	(3,036)	(6,290)
Balance		140,175	124,768
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(1,582)	(1,582)	(2,266)
Translation adjustment during the quarter		(3,096)	(6,328)
Amounts reclassified from accumulated other comprehensive income		0	0
Net current period other comprehensive (loss) income		3,096	6,328
Balance		(4,678)	(8,594)
Net current period other comprehensive (loss) income		(3,096)	(6,328)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(5,948)	(5,948)	(6,614)
Translation adjustment during the quarter		0	0
Amounts reclassified from accumulated other comprehensive income		(171)	(89)
Net current period other comprehensive (loss) income		171	89
Balance		(6,119)	(6,703)
Net current period other comprehensive (loss) income		(171)	(89)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	688	688	356
Translation adjustment during the quarter		0	0
Amounts reclassified from accumulated other comprehensive income		(6)	657
Net current period other comprehensive (loss) income		6	(657)
Balance		682	1,013
Net current period other comprehensive (loss) income		(6)	657
Accumulated Gain (Loss), Net, Net Investment Hedge [Member]
Balance	$ 1,272	1,272	1,550
Translation adjustment during the quarter		0	0
Amounts reclassified from accumulated other comprehensive income		222	136
Net current period other comprehensive (loss) income		(222)	(136)
Balance		1,494	1,686
Net current period other comprehensive (loss) income		$ 222	$ 136