Note K - Stockholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended						6 Months Ended	9 Months Ended
	Mar. 31, 2023	Dec. 30, 2022	Sep. 30, 2022	Mar. 25, 2022	Dec. 31, 2021	Sep. 24, 2021	Dec. 30, 2022	Mar. 31, 2023	Mar. 25, 2022	Jun. 20, 2022
Balance	$ 138,619	$ 133,765	$ 124,768	$ 129,455	$ 127,931	$ 131,624	$ 133,765	$ 138,619	$ 129,455
Translation adjustment during the quarter	1,014	8,392	(6,290)	(2,721)	(1,701)	(1,938)		3,117	(6,359)
Plan merger remeasurement adjustment							1,115
Balance	138,619	133,765	124,768	129,455	127,931	131,624	133,765	138,619	129,455
Balance	133,765	124,768	131,188	127,931	131,624	130,660	131,188	131,188	130,660
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	762	(261)	(8,594)	2,822	5,502	7,178	(261)	762	2,822	$ (2,266)
Translation adjustment during the quarter	1,023	8,333	(6,328)	(2,680)	(1,676)	(2,014)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Net current period other comprehensive (loss) income	1,023	8,333	(6,328)	(2,680)	(1,676)	(2,014)
Plan merger remeasurement adjustment		0
Balance	762	(261)	(8,594)	2,822	5,502	7,178	(261)	762	2,822
Balance	(261)	(8,594)		5,502	7,178	9,192			9,192
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	(31,145)	(31,723)	(31,208)	(29,951)	(30,456)	(31,079)	(31,723)	(31,145)	(29,951)	(31,726)
Translation adjustment during the quarter		0	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	578	600	518	505	623	384
Net current period other comprehensive (loss) income	578	(515)	518	505	623	384
Plan merger remeasurement adjustment		(1,115)
Balance	(31,145)	(31,723)	(31,208)	(29,951)	(30,456)	(31,079)	(31,723)	(31,145)	(29,951)
Balance	(31,723)	(31,208)		(30,456)	(31,079)	(31,463)			(31,463)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	561	694	704	178	(378)	(610)	694	561	178	355
Translation adjustment during the quarter		0	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(133)	(10)	349	556	232	68
Net current period other comprehensive (loss) income	(133)	(10)	349	556	232	68
Plan merger remeasurement adjustment		0
Balance	561	694	704	178	(378)	(610)	694	561	178
Balance	694	704		(378)	(610)	(678)			(678)
Accumulated Gain (Loss), Net, Net Investment Hedge [Member]
Balance	1,319	1,410	1,995	1,227	973	470	1,410	1,319	1,227	$ 1,551
Translation adjustment during the quarter		0	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(91)	(585)	444	254	503	136
Net current period other comprehensive (loss) income	(91)	(585)	444	254	503	136
Plan merger remeasurement adjustment		0
Balance	1,319	1,410	$ 1,995	1,227	973	470	$ 1,410	$ 1,319	1,227
Balance	$ 1,410	$ 1,995		$ 973	$ 470	$ 334			$ 334