Note K - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 27, 2019	Sep. 27, 2019	Dec. 28, 2018	Sep. 28, 2018	Dec. 27, 2019	Dec. 28, 2018
Balance	$ 173,363	$ 182,818	$ 178,460	$ 143,616	$ 182,818	$ 143,616
Net income (loss)	(6,466)	(6,293)	4,079	2,903	(12,759)	6,982
Translation adjustments	1,647	(2,996)	(1,786)	(561)	(1,349)	(2,347)
Benefit plan adjustments, net of tax	548	557	478	471	1,105	949
Unrealized loss on cash flow hedge, net of tax	146	(143)			3
Cash dividends		(127)		(115)
Compensation expense	248	459	590	850
Shares (acquired) issued, net	(1)	(912)	23	(914)
Net (loss) income	(6,466)	(6,293)	4,079	2,903	(12,759)	6,982
Foreign currency translation adjustment	1,647	(2,996)	(1,786)	(561)	(1,349)	(2,347)
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively	548	557	478	471	1,105	949
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively	146	(143)			3
Balance	169,485	173,363	181,844	178,460	169,485	181,844
Release stranded tax effects
Common stock issued, net				32,210
Common Stock [Member]
Balance	43,182	45,047	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	248	459	590	850
Shares (acquired) issued, net	(1,125)	(2,324)	(497)	(586)
Net (loss) income
Foreign currency translation adjustment
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively
Balance	42,305	43,182	44,137	44,044	42,305	44,137
Release stranded tax effects
Common stock issued, net				32,210
Retained Earnings [Member]
Balance	190,161	196,472	188,661	178,896	196,472	178,896
Net income (loss)	(6,516)	(6,311)	4,073	2,862
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	(6,516)	(6,311)	4,073	2,862
Foreign currency translation adjustment
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively
Balance	183,645	190,161	192,734	188,661	183,645	192,734
Release stranded tax effects				6,903
Common stock issued, net
AOCI Attributable to Parent [Member]
Balance	(40,571)	(37,971)	(30,760)	(23,792)	(37,971)	(23,792)
Net income (loss)
Translation adjustments	1,647	(3,014)	(1,773)	(536)
Benefit plan adjustments, net of tax	548	557	478	471
Unrealized loss on cash flow hedge, net of tax	146	(143)
Cash dividends
Compensation expense
Shares (acquired) issued, net
Net (loss) income
Foreign currency translation adjustment	1,647	(3,014)	(1,773)	(536)
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively	548	557	478	471
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively	146	(143)
Balance	(38,230)	(40,571)	(32,055)	(30,760)	(38,230)	(32,055)
Release stranded tax effects				(6,903)
Common stock issued, net
Treasury Stock [Member]
Balance	(19,920)	(21,332)	(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	520	(328)
Net (loss) income
Foreign currency translation adjustment
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively
Balance	(18,796)	(19,920)	(23,485)	(24,005)	(18,796)	(23,485)
Release stranded tax effects
Common stock issued, net
Noncontrolling Interest [Member]
Balance	511	602	520	619	602	619
Net income (loss)	50	18	6	41
Translation adjustments		18	(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	50	18	6	41
Foreign currency translation adjustment		18	(13)	(25)
Benefit plan adjustments, net of income taxes of $169, $146, $338 and $292, respectively
Unrealized income on cash flow hedge, net of income taxes of ($45), $0, ($1) and $0, respectively
Balance	$ 561	$ 511	$ 513	520	$ 561	$ 513
Release stranded tax effects
Common stock issued, net