Note K - Stockholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 25, 2020	Sep. 27, 2019
Balance	$ 139,958	$ 182,818
Translation adjustment during the quarter	3,612	(2,996)
Balance	140,555	173,363
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	3,454	4,439
Translation adjustment during the quarter	3,600	(3,014)
Amounts reclassified from accumulated other comprehensive income	0	0
Net current period other comprehensive (loss) income	3,600	(3,014)
Balance	7,054	1,425
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(43,576)	(41,901)
Translation adjustment during the quarter	0	0
Amounts reclassified from accumulated other comprehensive income	553	557
Net current period other comprehensive (loss) income	553	557
Balance	(43,023)	(41,344)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	(1,104)	(509)
Translation adjustment during the quarter	0	0
Amounts reclassified from accumulated other comprehensive income	75	(143)
Net current period other comprehensive (loss) income	75	(143)
Balance	$ (1,029)	$ (652)