Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Notional amount Derivative, Notional Amount Changes in AOCIL, net of tax, related to interest rate swaps [Roll Forward] Award Type [Axis] Accounting Standards Update 2016-09 [Member] Accounts receivable Accounts Receivable, Net, Current Accounts payable Accounts Payable, Current Accumulated Other Comprehensive Income (Loss) [Table] Accumulated other comprehensive income (loss) Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Less: Accumulated depreciation and amortization of capital leases Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Additional paid-in capital Adjustments for New Accounting Pronouncements [Axis] Adjustments to reconcile net income to net cash provided by operating activities: Share-based compensation Allocated Share-based Compensation Expense Total assets at fair value Assets, Fair Value Disclosure ASSETS Assets [Abstract] Total assets Assets Current Assets: Total current assets Assets, Current Balance Sheet Location [Domain] Balance Sheet Location [Axis] Capital expenditures accrued in accounts payable Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash equivalents Supplemental schedule of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Cash Flow Hedging [Member] Class of Stock [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies (Note 12) Commitments and Contingencies Commitments and Contingencies [Abstract] Dividends declared per share (in dollars per share) Cash dividends declared (in dollars per share) Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Cash dividends paid (in dollars per share) Dividends paid per share (in dollars per share) Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock - 400,000,000 shares of $.01 par value authorized; 24,003,611 shares issued and outstanding at January 26, 2018, and 24,055,682 shares issued and outstanding at July 28, 2017 Common Stock, Value, Issued Common stock, shares outstanding (in shares) Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cost of goods sold (exclusive of depreciation and rent) Credit Facility [Domain] Credit Facility [Axis] Debt Debt Disclosure [Text Block] Weighted average interest rates of swapped debt Debt [Abstract] Deferred revenue Deferred Revenue, Current Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Depreciation and amortization Interest rate swap asset (see Note 5) Trade date Derivative, Inception Date Derivative [Line Items] Term Derivative, Term of Contract Derivative Instrument [Axis] Offsetting liabilities Derivative [Table] Offsetting assets Derivative Instruments and Hedging Activities [Abstract] Interest rate swap liability (see Note 5) Derivative Liability Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Long-term interest rate swap liability Derivative Liability, Noncurrent Fair value, liability Derivative Liability, Fair Value, Amount Not Offset Against Collateral Fair value, asset Fixed rate Derivative, Fixed Interest Rate Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Table] Derivative Contract [Domain] Derivatives, Fair Value [Line Items] Add potential dilution [Abstract] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Dividend payment date Dividends Payable, Date to be Paid Dividend record date Dividends Payable, Date of Record Dividends Payable [Table] Dividends [Domain] Dividends declared but not yet paid Dividends Payable Dividends Payable [Line Items] Dividends [Axis] Diluted (in dollars per share) Earnings Per Share, Diluted Net Income Per Share and Weighted Average Shares Earnings Per Share [Text Block] Basic (in dollars per share) Earnings Per Share, Basic Net income per share: Net Income Per Share and Weighted Average Shares [Abstract] Federal corporate tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Revenue from External Customer [Line Items] Shareholders' Equity [Abstract] Equity Component [Domain] Excess tax benefit from share-based compensation Excess tax benefit from share-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Fair Value, Hierarchy [Axis] Measurement Frequency [Axis] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Measurement Frequency [Domain] Fair Value Measurements [Abstract] Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy [Domain] Fair Value Measurements Fair Value Disclosures [Text Block] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Ineffectiveness recorded in earnings on interest rate cash flow hedge Loss on disposition of property and equipment Gain (Loss) on Disposition of Property Plant Equipment General and administrative expenses Hedging Relationship [Domain] Income Taxes [Abstract] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Domestic Income Statement Location [Axis] Income Statement Location [Domain] CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract] Income Taxes Income Tax Disclosure [Text Block] Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Income taxes receivable Income Taxes Receivable, Current Income taxes Income Taxes Paid Other current assets Increase (Decrease) in Other Current Assets Other long-term assets and liabilities Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Other current liabilities Increase (Decrease) in Other Current Liabilities Accounts payable Deferred revenues Changes in assets and liabilities: Inventories Increase (Decrease) in Inventories Stock options, nonvested stock awards and MSU Grants (in shares) Interest expense Interest expense Estimated pre-tax portion of AOCL that is expected to be reclassified into earnings over the next twelve months Interest Rate Swaps [Member] Interest Rate Swap [Member] Interest, net of amounts capitalized Amount of loss reclassified from AOCIL into income (effective portion) Interest Expense [Member] Inventories Inventory Disclosure [Text Block] Inventories Total Inventory, Net Inventories [Abstract] Letters of credit outstanding Amount of standby letters of credit Long-term Debt, Type [Domain] Long-term Debt, Type [Axis] Labor and other related expenses Labor and Related Expense Total liabilities and shareholders' equity Liabilities and Equity LIABILITIES AND SHAREHOLDERS' EQUITY LIABILITIES AND SHAREHOLDERS' EQUITY Total liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Total current liabilities Liabilities, Current Current Liabilities: Line of Credit Facility [Table] Line of credit facility, expiration date Outstanding borrowings Restrictions on dividends payable Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Current borrowing capacity Long-term debt Long-term Debt, Excluding Current Maturities Loss Contingency Nature [Axis] Loss Contingencies [Table] Loss Contingencies [Line Items] Loss Contingency, Nature [Domain] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from financing activities: Cash flows from investing activities: Cash flows from operating activities: Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Net income Net income Net of tax Net income per share numerator Adjustments for New Accounting Pronouncement [Member] New Accounting Pronouncements or Change in Accounting Principle [Table] Recent Accounting Pronouncements Adopted and Not Yet Adopted New Accounting Pronouncements or Change in Accounting Principle [Line Items] Impact of recognizing excess tax benefits per diluted share (in dollars per share) Impact of recognizing excess tax benefits Number of reportable operating segments Other comprehensive income before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Operating income Operating Income (Loss) Condensed Consolidated Financial Statements [Abstract] Condensed Consolidated Financial Statements Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other Assets [Member] Other Current Liabilities [Member] Income tax expense Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Other assets Other Assets, Noncurrent Change in fair value of interest rate swaps Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Other store operating expenses Other long-term obligations Other Liabilities, Noncurrent Other current liabilities Other comprehensive income before income tax expense: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Products and Services [Domain] Dividends on common stock Payments of Ordinary Dividends, Common Stock Purchases and retirement of common stock Payments for Repurchase of Common Stock Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Performance-Based Market Stock Units ("MSU Grants") [Member] Performance Shares [Member] Lease Performance Guarantee [Member] Performance Guarantee [Member] Preferred stock, par value (in dollars per share) Preferred stock - 100,000,000 shares of $.01 par value authorized; 300,000 shares designated as Series A Junior Participating Preferred Stock; no shares issued Preferred stock, shares issued (in shares) Preferred stock, shares authorized (in shares) Prepaid Expenses and Other Current Assets [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Proceeds from insurance recoveries of property and equipment Proceeds from sale of property and equipment Products and Services [Axis] Property and equipment - net Property, Plant and Equipment, Net Property and equipment Property, Plant and Equipment, Gross Amounts reclassified from AOCIL Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Amounts Reclassified Out of AOCIL Related to Interest Rate Swaps Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Axis] Retail Retained earnings Revolving Credit Facility [Member] Revolving Credit Facility [Member] Total revenue Revenue Revenue, Net Scenario, Unspecified [Domain] Forecast [Member] Scenario, Forecast [Member] Reconciliation of Components of Diluted Earnings per Share Computations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Inventories Assets and Liabilities Measured at Fair Value on a Recurring Basis Components of Share-based Compensation Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Changes in AOCIL, Net of Tax, Related to Interest Rate Swaps Summary of Interest Rate Swaps Revenue from External Customers by Products and Services [Table] Composition of Total Revenue Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Pre-tax Effects of Derivative Instruments on Income and AOCIL Schedule of Estimated Fair Value of Derivative Instruments Segment Information Segment Reporting Disclosure [Text Block] Segment Information [Abstract] Series A Junior Participating Preferred Stock [Member] Share-Based Compensation [Abstract] Share-based compensation Share-based compensation expense Equity Award [Domain] Standby Letters of Credit [Member] Class of Stock [Axis] Statement [Line Items] CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract] CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract] Scenario [Axis] Statement [Table] Equity Components [Axis] Number of shares issued from vesting of share-based compensation awards and stock option exercises (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Cost of shares repurchased Shares of common stock repurchased (in shares) Total shareholders' equity Balance, beginning of period Balance, end of period Stockholders' Equity Attributable to Parent Shareholders' Equity: Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Subsequent Event Type [Domain] Subsequent Event Type [Axis] Subsequent Event [Member] Supplemental disclosures of cash flow information: Taxes withheld and accrued Taxes Payable, Current Type of Adoption [Domain] Amount of income recognized in AOCIL on derivatives (effective portion) Basic (in shares) Weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Diluted weighted average shares (in shares) Net income per share denominator [Abstract] Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted average shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Activity related to nonvested stock. Nonvested Stock [Member] Nonvested Stock Awards [Member] The number of properties for which the entity is secondarily liable for lease payments. Number of properties for which entity is secondarily liable for lease payments Number of properties for which the company is secondarily liable for lease payments The change in the deferred tax asset related to the unrealized gain (loss) related to the increase (decrease) in the fair value of the company's interest rate swaps designated as cash flow hedging instruments during the period. Change In Deferred Tax Asset For Interest Rate Swaps Change in deferred tax asset for interest rate swaps The amount of gain (loss) related to the increase (decrease) in the fair value of the company's interest rate swaps designated as cash flow hedging instruments during the period. Change In Fair Value Of Interest Rate Swaps Change in fair value of interest rate swaps Cash Paid [Abstract] Cash paid during the period for: The net cash outflow or inflow related to taxes withheld on vested share-based compensation awards and proceeds received from stock option exercises. Taxes Withheld And Proceeds Received From Sharebased Compensation, Net (Taxes withheld) and proceeds from issuance of share-based compensation awards, net Tax withholding payment net of cash received from issuance of share based compensation awards Line item in the statement of financial position in which the fair value amounts of the long-term derivative instruments are included. Long-term Interest Rate Swap Liability [Member] Regular distribution of earnings in the form of cash, property or capital stock declared in the second quarter of the current fiscal year by the board of directors to be distributed to shareholders. Regular Quarterly Dividend Declared in Q2 [Member] Regular Quarterly Dividend Declared in Q2 [Member] The adjustment to the fair value of the entity's interest rate swap assets and liabilities related to its non-performance risk. Reductions in fair value of the interest rate swap asset and liability related to non-performance risk Reduction in fair value of interest rate swap assets and liabilities due to adjustment related to non-performance risk Total revenue less cost of goods sold and store operating expenses. Store Operating Income Store operating income Description of restaurant services provided by the entity. Restaurant [Member] Restaurant [Member] Description of retail services provided by the entity. Retail [Member] The number of related and substantially integrated product lines. Number of product lines The Company's weighted average credit spread at period end. Weighted Average Credit Spread Company's credit spread Increase in notional amount over each year of derivative contract. Increase in notional amount each year A forward-based interest rate swap contract with the inception date of January 30, 2015, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap Two January 30, 2015 [Member] A forward-based interest rate swap contract with the inception date of June 18, 2014, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap June 18, 2014 [Member] A forward-based interest rate swap contract with the inception date of January 30, 2015, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap Three January 30, 2015 [Member] A forward-based interest rate swap contract with the inception date of March 18, 2013, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap March 18, 2013 [Member] A forward-based interest rate swap contract with the inception date of January 30, 2015, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap Four January 30, 2015 [Member] A forward-based interest rate swap contract with the inception date of July 1, 2014, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap July 1, 2014 [Member] The date on which the parties to the derivative contract begin calculating accrued obligations, such as fixed and floating interest payment obligations on an interest rate swap., in CCYY-MM-DD format. Derivative, Effective Date Effective date Maximum notional amount at the end of derivative contract term. Maximum notional amount A forward-based interest rate swap contract with the inception date of January 30, 2015, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap One January 30, 2015 [Member] A forward-based interest rate swap contract with the inception date of April 25, 2013, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap April 25, 2013 [Member] A forward-based interest rate swap contract with the inception date of January 30, 2015, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap Five January 30, 2015 [Member] A forward-based interest rate swap contract with the inception date of June 24, 2014, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap June 24, 2014 [Member] A forward-based interest rate swap contract with the inception date of April 22, 2013, in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. The term notional is used because swap contracts generally involve no exchange of principal at either inception or maturity. Rather, the notional amount serves as a basis for calculation of the payment streams to be exchanged. Interest Rate Swap April 22, 2013 [Member] Deferred compensation assets, primarily mutual funds, measured at fair value as of balance sheet date. Deferred compensation plan assets fair value dislosure Deferred compensation plan assets Seasonality [Abstract] Disclosure related to the seasonal nature of our operations. Results of operations for any interim period cannot be considered indicative of the operating results for an entire year. Seasonality Disclosure [Text Block] Seasonality Document and Entity Information [Abstract] Carrying amount as of the balance sheet date of supplies that will be consumed in the reporting entity's store operations. Supply Inventory Supplies Carrying amount as of the balance sheet date of food purchases that will be consumed in the store operations. Restaurant related inventory Restaurant The minimum amount of availability under the revolving credit facility plus cash and cash equivalents on hand for the company to be able to declare and pay dividends and repurchase shares pursuant to the credit facility. Liquidity requirements Liquidity requirements The maximum leverage ratio expected to be maintained pursuant to amended credit facility in order to pay dividends in an amount greater than the prior year. Maximum Leverage Ratio Leverage ratio, maximum Threshold amount used in determining the amount of dividends that may be paid pursuant to the credit facility. Maximum Dividends Limit Dividends threshold Represents the multiplier used in calculating aggregate amount of cash dividends on shares of common stock in any fiscal year. Multiplier Used in Calculating Aggregate Amount of Cash Dividends on Shares of Common Stock in Any Fiscal Year Multiplier used in calculating aggregate amount of cash dividends on shares of common stock in any fiscal year Disclosure of information about income taxes. Income Tax Disclosure [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Income Tax Disclosure [Line Items] Amount of reasonable estimate for income tax benefit for remeasurement of noncurrent deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Noncurrent, Provisional Income Tax Benefit Provisional tax benefit for re-measurement of long-term deferred tax liabilities Amount of reasonable estimate for income tax benefit for remeasurement of current deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Current, Provisional Income Tax Benefit Provisional tax benefit for re-measurement of short-term deferred tax liabilities