Note 6 - Long-term Debt and Capital Leases (Details Textual)			3 Months Ended	12 Months Ended
	Dec. 03, 2013 USD ($)	May 14, 2012 USD ($)	May 31, 2016 USD ($)	May 31, 2016 USD ($)	Jun. 02, 2015 USD ($)	Jun. 03, 2014 USD ($)
Senior Notes [Member]
Debt Instrument, Cumulative Sinking Fund Payments			$ 0	$ 0
Debt Instrument, Maturity Date				May 15, 2020
Debt Instrument, Repurchase Amount			2,500,000	$ 2,500,000	$ 0	$ 20,000,000
Long-term Debt			207,780,000	207,780,000	209,182,000
Debt Instrument, Face Amount		$ 250,000,000
Debt Instrument, Interest Rate, Stated Percentage		7.625%
Debt Instrument, Unamortized Discount		$ 3,700,000	1,771,000	1,771,000	2,162,000
Debt Instrument, Term		8 years
Debt Instrument Repurchased Amount Authorized			20,000,000	20,000,000
Debt Instrument, Repurchased Face Amount			2,400,000	2,400,000		20,000,000
Interest Paid						200,000
Gain (Loss) on Repurchase of Debt Instrument						(700,000)
Long-term Debt, Gross			212,546,000	212,546,000	215,000,000
Mortgages [Member] | Minimum [Member]
Range of Loan Balances			$ 600,000	$ 600,000
Debt Instrument, Interest Rate, Effective Percentage			7.60%	7.60%
Mortgages [Member] | Maximum [Member]
Range of Loan Balances			$ 6,900,000	$ 6,900,000
Debt Instrument, Interest Rate, Effective Percentage			10.17%	10.17%
Mortgages [Member] | Interest Expense [Member]
Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost				$ (1,600,000)
Write off of Deferred Debt Issuance Cost				100,000
Mortgages [Member]
Long-term Debt			$ 13,300,000	13,300,000	9,000,000
Secured Debt			15,700,000	15,700,000
Long-term Debt and Capital Lease Obligations, Current			9,600,000	9,600,000
Repayments of Long-term Debt				13,300,000	9,000,000
Payments of Debt Extinguishment Costs					1,000,000
Revolving Credit Facility [Member] | Federal Funds Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	3.50%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Revolving Credit Facility [Member] | Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.40%
Revolving Credit Facility [Member] | Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.75%
Revolving Credit Facility [Member]
Long-term Line of Credit			0	0
Debt Instrument, Term	4 years
Line of Credit Facility, Current Borrowing Capacity	$ 50,000,000
Option to Increase Revolving Credit Facility Capacity	$ 35,000,000
Credit Facility Interest Rate, Floor	0.00%
Debt Instrument, Collateral Amount, Appraised Value	$ 101,400,000
Debt Instrument, Collateral Amount			78,200,000	78,200,000
Line of Credit Facility, Remaining Borrowing Capacity			$ 38,400,000	38,400,000
Line of Credit Facility, Maximum Leverage Ratio			4.4
Line of Credit Facility, Minimum Fixed Charge Coverage Ratio			1.6
Sub-limit for Standby Letters of Credit [Member]
Line of Credit Facility, Current Borrowing Capacity	$ 25,000,000
Rent and Other Line Item [Member]
Interest Payable, Current			$ 1,000,000	$ 1,000,000	1,100,000
Number of Restaurants	49		646	646
Secured Debt			$ 15,745,000	$ 15,745,000	31,607,000
Long-term Debt and Capital Lease Obligations, Current			$ 9,934,000	9,934,000	10,078,000
Repayments of Long-term Debt				$ 18,243,000	$ 13,638,000	$ 40,232,000
Number of Properties Released for Collateral Purposes with the Repayment of Debt			44	44