Note G - Pension and Other Postretirement Benefit Plans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Dec. 30, 2022	Dec. 31, 2021	Sep. 30, 2022
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax	$ 515	$ 623	$ 3	$ 1,007
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax	$ 1	$ (115)	3	$ 2
Other Comprehensive Income (Loss), Defined Benefit Plan, Benefit Plan Merger Remeasurement, Reclassification Adjustment from AOCI, after Tax			(1,115)
Pension Plan [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year					$ 576
Defined Benefit Plan, Plan Assets, Contributions by Employer			$ 387