Note 6 - Long-term Debt and Capital Leases - Long-term Debt and Capital Lease Obligations (Details) - USD ($) $ in Thousands	Sep. 05, 2017	Jun. 06, 2017	May 14, 2012
Unamortized debt issuance costs	$ (25)	$ (27)
Mortgage loan obligations	4,280	4,650
Unamortized discount - mortgage loan obligations		(1)
Capital lease obligations	230	218
Total long-term debt and capital leases	213,634	213,709
Less current maturities	379	368
Long-term debt and capital leases, less current maturities	213,255	213,341
Senior Notes [Member]
Senior unsecured notes	212,546	212,546
Unamortized discount	(1,262)	(1,366)	$ (3,700)
Unamortized debt issuance costs	(2,135)	(2,311)
Senior unsecured notes less unamortized discount and debt issuance costs	$ 209,149	$ 208,869