Note K - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 31, 2021	Sep. 24, 2021	Dec. 25, 2020	Sep. 25, 2020	Dec. 31, 2021	Dec. 25, 2020
Balance	$ 131,624	$ 130,660	$ 140,555	$ 139,958	$ 130,660	$ 139,958
Translation adjustment during the quarter	(1,701)	(1,938)	4,899	3,612	(3,639)	8,511
Balance	127,931	131,624	142,395	140,555	127,931	142,395
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	7,178	9,192	7,054	3,454	9,192	3,454
Translation adjustment during the quarter	(1,676)	(2,014)	4,887	3,600
Amounts reclassified from accumulated other comprehensive income	0	0	0	0
Net current period other comprehensive (loss) income	(1,676)	(2,014)	4,887	3,600
Balance	5,502	7,178	11,941	7,054	5,502	11,941
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(31,079)	(31,463)	(43,023)	(43,576)	(31,463)	(43,576)
Translation adjustment during the quarter	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	623	384	555	553
Net current period other comprehensive (loss) income	623	384	555	553
Balance	(30,456)	(31,079)	(42,468)	(43,023)	(30,456)	(42,468)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	(610)	(678)	(1,029)	(1,104)	(678)	(1,104)
Translation adjustment during the quarter	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	232	68	104	75
Net current period other comprehensive (loss) income	232	68	104	75
Balance	(378)	(610)	$ (925)	$ (1,029)	(378)	$ (925)
Accumulated Gain (Loss), Net, Net Investment Hedge [Member]
Balance	470	334			334
Translation adjustment during the quarter	0	0
Amounts reclassified from accumulated other comprehensive income	503	136
Net current period other comprehensive (loss) income	503	136
Balance	$ 973	$ 470			$ 973