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COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Employment Agreement/Bonuses) (Details) - USD ($) | 12 Months Ended
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Sep. 28, 2019 | Sep. 29, 2018
Performance Bonus based on $650,000 Threshold [Member] |  |
Bonuses: |  |
Performance bonuses | $ 1,444,000 | $ 1,524,000
Performance Bonus based on $1,875,000 Threshold [Member] |  |
Bonuses: |  |
Performance bonuses | $ 970,000 | $ 956,000
Limited Partnership [Member] |  |
Bonuses: |  |
Bonus payment expressed as percentage of corporate pre-tax net income before depreciation and amortization in excess of $1,875,000 and the company's share of the pre-tax net income before depreciation and amortization from the restaurants owned by the limited partnerships | 5.00% |
Amount of income at which bonuses begin to accrue | $ 1,875,000 |
Management [Member] |  |
Bonuses: |  |
Bonus payment expressed as percentage of corporate pre-tax net income, plus or minus non-recurring items but before depreciation and amortization in excess of $650,000 | 5.25% |
Chief Executive Officer [Member] |  |
Bonuses: |  |
Bonus payment expressed as percentage of corporate pre-tax net income, plus or minus non-recurring items but before depreciation and amortization in excess of $650,000 | 14.75% |
Chief Financial Officer [Member] |  |
Bonuses: |  |
Bonus payment expressed as percentage of corporate pre-tax net income before depreciation and amortization in excess of $1,875,000 and the company's share of the pre-tax net income before depreciation and amortization from the restaurants owned by the limited partnerships | 5.00% |

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