Note M - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 29, 2019	Dec. 28, 2018	Sep. 28, 2018	Mar. 30, 2018	Dec. 29, 2017	Sep. 29, 2017	Mar. 29, 2019	Mar. 30, 2018
Balance	$ 181,843	$ 178,459	$ 143,616	$ 128,649	$ 130,080	$ 123,567	$ 143,616	$ 123,567
Translation adjustment during the quarter	(869)	(1,786)	(561)	1,849	488	2,541	(3,217)	4,878
Release stranded tax effects
Balance	186,642	181,843	178,459	135,610	128,649	130,080	186,642	135,610
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	4,776	6,549	7,085	9,166	8,677	6,130	7,085	6,130
Translation adjustment during the quarter	(885)	(1,773)	(536)	1,851	489	2,547
Release stranded tax effects
Amounts reclassified from accumulated other comprehensive income
Net current period other comprehensive (loss) income	(885)	(1,773)	(536)	1,851	489	2,547
Other comprehensive income before reclassifications
Balance	3,891	4,776	6,549	11,017	9,166	8,677	3,891	11,017
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(36,831)	(37,309)	(30,877)	(36,593)	(38,327)	(38,801)	(30,877)	(38,801)
Translation adjustment during the quarter
Release stranded tax effects			(6,903)
Amounts reclassified from accumulated other comprehensive income	478	478	471	474	39	474
Net current period other comprehensive (loss) income	478	478	(6,432)	474	1,734	474
Other comprehensive income before reclassifications					1,695
Balance	$ (36,353)	$ (36,831)	$ (37,309)	$ (36,119)	$ (36,593)	$ (38,327)	$ (36,353)	$ (36,119)