Note K - Shareholders' Equity - Reconciliation for the Reclassifications Out of 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
Total amortization		$ 4,298			$ 3,905			$ 6,358	$ 6,143
Income tax expense		398			548			2,606	2,350
Net income		3,900	$ 935	$ (1,083)	3,357	$ 1,761	$ (1,324)	3,752	3,793
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Actuarial losses	[1]	(198)			630			(461)	1,853
Transition asset and prior service benefit	[1]	3			(51)			11	(152)
Total amortization		(201)			(28)			(472)	(1,235)
Income tax expense		10			(1)			2	(5)
Net income		(191)			(29)			(470)	(1,240)
Actuarial gains	[1]	$ (198)			630			$ (461)	1,853
Mark-to-market adjustment					(607)				(1,821)
Plan merger adjustment					$ 0				$ 1,115

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note G, "Pension and Other Postretirement Benefit Plans" for further details).