Note K - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2017	Sep. 30, 2016
Balance	$ 123,567	$ 117,053
Balance	130,081	115,696
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	6,130	5,158
Translation adjustment during the quarter	2,547	627
Amounts reclassified from accumulated other comprehensive income
Net current period other comprehensive income	2,547	627
Balance	8,677	5,785
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(38,801)	(49,301)
Translation adjustment during the quarter
Amounts reclassified from accumulated other comprehensive income	474	672
Net current period other comprehensive income	474	672
Balance	$ (38,327)	$ (48,629)