Note K - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 27, 2020	Dec. 27, 2019	Sep. 27, 2019	Mar. 29, 2019	Dec. 28, 2018	Sep. 28, 2018	Mar. 27, 2020	Mar. 29, 2019
Balance	$ 169,485	$ 173,363	$ 182,818	$ 181,843	$ 178,459	$ 143,616	$ 182,818	$ 143,616
Net income (loss)	(25,176)	(6,466)	(6,293)	4,587	4,079	2,902	(37,935)	11,569
Translation adjustments	(1,266)	1,647	(2,996)	(869)	(1,786)	(561)	(2,615)	(3,217)
Benefit plan adjustments, net of tax	1,593	548	557	478	478	471	2,698	1,427
Unrealized loss on cash flow hedge, net of tax	(582)	146	(143)				(579)
Cash dividends			(127)			(115)
Compensation expense	(19)	248	459	603	590	850
Shares (acquired) issued, net		(1)	(912)		23	(914)
Net (loss) income	(25,176)	(6,466)	(6,293)	4,587	4,079	2,902	(37,935)	11,569
Translation adjustment during the quarter	(1,266)	1,647	(2,996)	(869)	(1,786)	(561)	(2,615)	(3,217)
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively	1,593	548	557	478	478	471	2,698	1,427
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively	(582)	146	(143)				(579)
Balance	144,035	169,485	173,363	186,642	181,843	178,459	144,035	186,642
Release stranded tax effects
Common stock issued, net						32,210
Common Stock [Member]
Balance	42,305	43,182	45,047	44,137	44,044	11,570	45,047	11,570
Net income (loss)
Translation adjustments
Benefit plan adjustments, net of tax
Unrealized loss on cash flow hedge, net of tax
Cash dividends
Compensation expense	(19)	248	459	603	590	850
Shares (acquired) issued, net		(1,125)	(2,324)	15	(497)	(586)
Net (loss) income
Translation adjustment during the quarter
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively
Balance	42,286	42,305	43,182	44,755	44,137	44,044	42,286	44,755
Release stranded tax effects
Common stock issued, net						32,210
Retained Earnings [Member]
Balance	183,645	190,161	196,472	192,733	188,660	178,896	196,472	178,896
Net income (loss)	(25,230)	(6,516)	(6,311)	4,560	4,073	2,861
Translation adjustments
Benefit plan adjustments, net of tax
Unrealized loss on cash flow hedge, net of tax
Cash dividends
Compensation expense
Shares (acquired) issued, net
Net (loss) income	(25,230)	(6,516)	(6,311)	4,560	4,073	2,861
Translation adjustment during the quarter
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively
Balance	158,415	183,645	190,161	197,293	192,733	188,660	158,415	197,293
Release stranded tax effects						6,903
Common stock issued, net
AOCI Attributable to Parent [Member]
Balance	(38,230)	(40,571)	(37,971)	(32,055)	(30,760)	(23,792)	(37,971)	(23,792)
Net income (loss)
Translation adjustments	(1,257)	1,647	(3,014)	(885)	(1,773)	(536)
Benefit plan adjustments, net of tax	1,593	548	557	478	478	471
Unrealized loss on cash flow hedge, net of tax	(582)	146	(143)
Cash dividends
Compensation expense
Shares (acquired) issued, net
Net (loss) income
Translation adjustment during the quarter	(1,257)	1,647	(3,014)	(885)	(1,773)	(536)
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively	1,593	548	557	478	478	471
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively	(582)	146	(143)
Balance	(38,476)	(38,230)	(40,571)	(32,462)	(32,055)	(30,760)	(38,476)	(32,462)
Release stranded tax effects						(6,903)
Common stock issued, net
Treasury Stock [Member]
Balance	(18,796)	(19,920)	(21,332)	(23,485)	(24,005)	(23,677)	(21,332)	(23,677)
Net income (loss)
Translation adjustments
Benefit plan adjustments, net of tax
Unrealized loss on cash flow hedge, net of tax
Cash dividends
Compensation expense
Shares (acquired) issued, net		1,124	1,412	(15)	520	(328)
Net (loss) income
Translation adjustment during the quarter
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively
Balance	(18,796)	(18,796)	(19,920)	(23,500)	(23,485)	(24,005)	(18,796)	(23,500)
Release stranded tax effects
Common stock issued, net
Noncontrolling Interest [Member]
Balance	561	511	602	513	520	619	602	619
Net income (loss)	54	50	18	27	6	41
Translation adjustments	(9)		18	16	(13)	(25)
Benefit plan adjustments, net of tax
Unrealized loss on cash flow hedge, net of tax
Cash dividends			(127)			(115)
Compensation expense
Shares (acquired) issued, net
Net (loss) income	54	50	18	27	6	41
Translation adjustment during the quarter	(9)		18	16	(13)	(25)
Benefit plan adjustments, net of income taxes of $490, $146, $828 and $437, respectively
Unrealized loss on cash flow hedge, net of income taxes of $178, $0, $177 and $0, respectively
Balance	$ 606	$ 561	$ 511	$ 556	$ 513	520	$ 606	$ 556
Release stranded tax effects
Common stock issued, net