Note N - Lease Obligations - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 25, 2022	Mar. 31, 2023	Mar. 25, 2022
Operating cash flows from operating leases	$ 873	$ 808	$ 2,268	$ 2,281
Operating cash flows from finance leases	138	207	270	623
Financing cash flows from finance leases	73	68	231	726
Right-of-use-assets obtained in exchange for lease obligations: Operating leases	218	695	1,736	1,091
Right-of-use-assets obtained in exchange for lease obligations: Finance leases	$ 47	$ 0	$ 367	$ 307
Weighted average remaining lease term (years): Operating leases (Year)	8 years 9 months 18 days	8 years 9 months 18 days	8 years 9 months 18 days	8 years 9 months 18 days
Weighted average remaining lease term (years): Finance lease (Year)	11 years 3 months 18 days	11 years 4 months 24 days	11 years 3 months 18 days	11 years 4 months 24 days
Weighted average discount rate: Operating leases	7.20%	7.10%	7.20%	7.10%
Weighted average discount rate: Finance leases	5.20%	5.10%	5.20%	5.10%