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v3.19.3.a.u2

COMMON STOCK (Details) | 12 Months Ended
--- | ---
Sep. 28, 2019 $ / shares shares
Stockholders' Equity Note [Abstract] |
Number of remaining shares authorized | shares | 65,414
Maximum share price | $ / shares | $ 15

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- Definition Stock Repurchase Program, Maximum Share Price. + References No definition available. + Details
Name: | bdl_StockRepurchaseProgramMaximumSharePrice
Namespace Prefix: | bdl_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration