Note N - Lease Liabilities - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 26, 2021	Mar. 27, 2020	Mar. 26, 2021	Mar. 27, 2020
Operating cash flows from operating leases	$ 747	$ 780	$ 2,275	$ 2,367
Operating cash flows from finance leases	125	45	343	112
Financing cash flows from finance leases	73	14	201	40
Right-of-use-assets obtained in exchange for lease obligations: Operating leases	19	149	125	2,573
Right-of-use-assets obtained in exchange for lease obligations: Finance leases	$ 86	$ 188	$ 4,757	$ 465
Weighted average remaining lease term (years): Operating leases (Year)	10 years 6 months	10 years 10 months 24 days	10 years 6 months	10 years 10 months 24 days
Weighted average remaining lease term (years): Finance lease (Year)	12 years 2 months 12 days	4 years 3 months 18 days	12 years 2 months 12 days	4 years 3 months 18 days
Weighted average discount rate: Operating leases	7.40%	7.40%	7.40%	7.40%
Weighted average discount rate: Finance leases	5.20%	6.60%	5.20%	6.60%