Note 7 - Closures and Impairments Expense (Details Textual) $ in Thousands		3 Months Ended
Aug. 11, 2016	Aug. 30, 2016 USD ($)	Sep. 01, 2015 USD ($)	May 31, 2016 USD ($)
Closed Restaurant Lease Reserves, Inventory Write-off, Severance Benefits, and Other Closing Expenses [Member]
Closures and Impairments Expenses		$ 24,700
Rent and Other [Member]
Operating Lease Obligation		$ 27,900		$ 3,500
Number of Restaurants Closed	95	99
Closures and Impairments Expenses		$ 30,192	$ 2,712
Operating Lease Obligation		$ 31,888		$ 6,270

Includes the net gain or loss on sales of real estate on which we formerly operated a Company restaurant that was closed, lease reserves established when we cease using a property under an operating lease and subsequent adjustments to those reserves and other facility-related expenses from previously closed stores; in addition, the charge against earnings resulting from the impairment of restaurants.

No definition available.

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