| Asset impairment and estimated lease termination and other closing costs [Table Text Block] |
| Fiscal 2015 Asset Impairment and Estimated Lease Termination and Other Closing Costs (in thousands): | | | | | | | | Restaurants | Reason | | | Amount | | | | | | | Smithtown, NY | Asset impairment(1) | | $ | 935 | | N. Riverside, IL | Lease termination costs(2) | | | 368 | | Richmond, VA area restaurants | Costs for closed locations | | | 143 | | N. Riverside, IL | Site costs-restaurants not opened(3) | | | 122 | | Chicago, IL field office | Lease termination costs(4) | | | 106 | | Eden Prairie, MN | Costs for closed restaurants | | | (42) | | Other | Costs for closed locations | | | (112) | | | Total for fiscal 2015 | | $ | 1,520 | | | | | | | | | | | | | | | | | | (1)Asset impairment calculated at June 28, 2015 based upon anticipated sale of Smithtown restaurant, which occurred in the third quarter of fiscal 2015. | | (2)Lease termination costs associated with the cancellation of a potential new restaurant location. | | (3)Write-off of failed site preparation costs for two locations the Company decided not to open. | | (4)Includes $191,000 in write-off for closed Lombard, Illinois field office site lease commitment partially offset by an $86,000 recapture of deferred rent credits. |
| Fiscal 2014 Asset Impairment and Estimated Lease Termination and Other Closing Costs (in thousands): | | | | | | | | Restaurants | Reason | | | Amount | | | | | | | | Richmond, VA area restaurants | Asset impairment(1) | | $ | 2,285 | | May's Landing, NJ | Asset impairment(1) | | | 766 | | Two Minneapolis, MN area restaurants | Asset impairment(1) | | | 544 | | Décor | Asset impairment(2) | | | 342 | | Des Moines, IA | Asset impairment(1) | | | 226 | | Salisbury, MD | Restaurant closing costs(3) | | | 187 | | Décor Warehouse | Lease termination costs(4) | | | 94 | | Richmond, VA area restaurants | Restaurant closing costs(5) | | | 54 | | Salisbury, MD | Lease termination costs(6) | | | 19 | | | Total for fiscal 2014 | | $ | 4,517 | | | | | | | | | | | | | | | | | | (1)Based on the Company's assessment of expected cash flows, an asset impairment charge was recorded for these restaurants. The remaining asset balances can be recovered through sale or transferred to other restaurants. | | (2)Change in strategy regarding décor resulted in the impairment of the décor located in the company's restaurants. | | (3)Write-off of obsolete restaurant equipment. | | (4)Lease termination costs associated with closure of the décor warehouse. | | (5)Costs associated with anticipated future closures. | | (6)Lease termination costs associated with closure of the restaurant, net of deferred rent credits. |
| Fiscal 2013 Asset Impairment and Estimated Lease Termination and Other Closing Costs (in thousands): | | | | | | | | | | | Restaurant | Reason | | | | Amount | | | | | | | | | | Salisbury, MD | Asset impairment(1) | | $ | 943 | | Oakton, VA | Lease termination fee(2) | | | 200 | | Gaithersburg, MD | Costs for closed restaurants(3) | | | 38 | | | Total for fiscal 2013 | | $ | 1,181 | | | | | | | | | | | | | | | | | | (1)Based on the Company's assessment of expected cash flows, an asset impairment charge was recorded for this restaurant. The remaining balance can be transferred to other restaurants. | | (2)Lease costs associated with terminating lease for this restaurant. | | (3)The Company incurred various costs for this restaurant which closed at the end of its natural lease term. |
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