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RECENT RESTAURANT EXPANSION AND OTHER DEVELOPMENTS - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 01, 2022 | Oct. 02, 2021 | Jul. 21, 2022 | Jun. 24, 2022 | Apr. 08, 2022 | Jan. 26, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Shares - Basic (in shares) | 3,556 | 3,516 |  |  |  |
Shares - Diluted (in shares) | 3,603 | 3,604 |  |  |  |
Cost method investment, ownership percent |  |  |  |  |  | 5.00%
Total future lease payments | $ 150,042 |  |  |  |  |
Gallaghers Steakhouse | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total future lease payments |  |  |  |  | $ 1,500 |
America | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total future lease payments |  |  |  | $ 4,000 |  |
Village Eateries | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total future lease payments |  |  | $ 3,500 |  |  |
Blue Moon Fish Company |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total revenues |  | $ 132,547 |  |  |  |
Net income (loss) |  | $ 12,926 |  |  |  |
Net income (loss) per share - basic (in dollars per share) |  | $ 3.68 |  |  |  |
Net income (loss) per share - diluted (in dollars per share) |  | $ 3.59 |  |  |  |
Shares - Basic (in shares) |  | 3,516 |  |  |  |
Shares - Diluted (in shares) |  | 3,604 |  |  |  |

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