Note 1 - Summary of Significant Accounting Policies - Other Intangible Assets (Details) - USD ($) $ in Thousands		Jun. 06, 2017	May 31, 2016
Accumulated Amortization		$ 10,990	$ 11,397
Gross Carrying Amount		14,004	15,741
Reacquired Franchise Rights [Member]
Accumulated Amortization		10,582	10,903
Gross Carrying Amount		12,744	14,096
Favorable Lease Valuations [Member]
Accumulated Amortization	[1]	246	336
Gross Carrying Amount	[1]	1,029	1,408
Trademarks [Member]
Accumulated Amortization		162	158
Gross Carrying Amount		$ 231	$ 237

[1] As of June 6, 2017 and May 31, 2016, we also had $0.2 million and $0.6 million, respectively, of unfavorable lease liabilities which resulted from the terms of acquired franchise operating lease contracts being unfavorable relative to market terms of comparable leases on the acquisition date. The majority of these liabilities are included within Other deferred liabilities in our Consolidated Balance Sheets.