Note N - Lease Liabilities - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 27, 2020	Mar. 29, 2019	Mar. 27, 2020	Mar. 29, 2019
Operating cash flows from operating leases	$ 780	$ 824	$ 2,367	$ 2,548
Operating cash flows from finance leases	45		112
Financing cash flows from finance leases	14		40
Right-of-use-assets obtained in exchange for lease obligations: Operating leases	149	380	2,573	12,453
Right-of-use-assets obtained in exchange for lease obligations: Finance leases	$ 188		$ 465
Weighted average remaining lease term (years): Operating leases (Year)	10 years 328 days	11 years 255 days	10 years 328 days	11 years 255 days
Weighted average remaining lease term (years): Finance lease (Year)	4 years 109 days		4 years 109 days
Weighted average discount rate: Operating leases	7.40%	7.70%	7.40%	7.70%
Weighted average discount rate: Finance leases	6.60%	0.00%	6.60%	0.00%