Note K - Stockholders' Equity - Reconciliation for the Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended	9 Months Ended
	Mar. 31, 2023		Dec. 30, 2022	Sep. 30, 2022	Mar. 25, 2022		Dec. 31, 2021	Sep. 24, 2021	Dec. 30, 2022	Mar. 31, 2023	Mar. 25, 2022
Plan merger remeasurement adjustment									$ 1,115
Total amortization	$ 3,298				$ 3,063					$ 4,322	$ 2,296
Income taxes	548				753					2,349	1,757
Net income	2,750		$ 1,154	$ (1,931)	2,310		$ (3,750)	$ 1,980		1,973	539
Net income	2,750		$ 1,154	$ (1,931)	2,310		$ (3,750)	$ 1,980		1,973	539
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Actuarial losses	629	[1]			562	[1]				1,844	1,687
Transition asset and prior service benefit	(51)	[1]			(64)	[1]				(152)	(190)
Plan merger remeasurement adjustment	0									(1,115)
Translation	1				11					9	19
Total amortization	579				509					586	1,516
Income taxes	1				4					5	4
Net income	578				505					581	1,512
Net income	$ 578				$ 505					$ 581	$ 1,512

[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).