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Appraised value of assets pledged to secure a debt instrument.

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Maximum amount of the original debt instrument that can be repurchased.

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Maximum leverage ratio to be maintained under the terms of the credit facility.

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Minimum fixed charge coverage ratio to be maintained under the terms of the credit facility.

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Represents the additional amount of borrowing capacity the entity has the option to increase the revolving credit facility per the credit agreement.

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Mortgage loan obligations acquired as of balance sheet date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of assets pledged to secure a debt instrument.

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Cumulative amount paid into a fund, which is used to retire the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Fair value amount of debt instrument that was repurchased.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Represents the number of restaurants.

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No definition available.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Note 6 - Long-term Debt and Capital Leases (Details Textual)			3 Months Ended		6 Months Ended
	Dec. 03, 2013 USD ($)	May 14, 2012 USD ($)	Jun. 06, 2017	Aug. 30, 2016 USD ($)	Mar. 07, 2017	May 31, 2016 USD ($)
Senior Notes [Member]
Debt Instrument, Face Amount		$ 250,000,000
Debt Instrument, Interest Rate, Stated Percentage		7.625%
Debt Instrument, Unamortized Discount		$ 3,700,000		$ 1,675,000		$ 1,771,000
Debt Instrument, Term		8 years
Debt Instrument, Cumulative Sinking Fund Payments				$ 0
Debt Instrument, Maturity Date				May 15, 2020
Debt Instrument Repurchased Amount Authorized				$ 20,000,000
Debt Instrument, Repurchase Amount				0
Mortgages [Member] \| Minimum [Member]
Range of Loan Balances				$ 600,000
Debt Instrument, Interest Rate, Effective Percentage				7.60%
Mortgages [Member] \| Maximum [Member]
Range of Loan Balances				$ 6,800,000
Debt Instrument, Interest Rate, Effective Percentage				10.17%
Mortgages [Member]
Secured Debt				$ 15,200,000
Long-term Debt and Capital Lease Obligations, Current				9,400,000
Rent and Other Line Item [Member]
Interest Payable, Current				5,000,000		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] \| Scenario, Forecast [Member]
Line of Credit Facility, Maximum Leverage Ratio			4.25		4.3
Line of Credit Facility, Minimum Fixed Charge Coverage Ratio			1.7		1.65
Revolving Credit Facility [Member]
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				77,800,000
Long-term Line of Credit				0
Line of Credit Facility, Remaining Borrowing Capacity				$ 38,500,000
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
Number of Restaurants	49
Secured Debt				$ 15,258,000		15,745,000
Long-term Debt and Capital Lease Obligations, Current				$ 9,781,000		$ 9,934,000