XML 80 R70.htm IDEA: XBRL DOCUMENT
v3.23.4

401(k) PLAN (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2023 | Oct. 01, 2022
Board of Directors Chairman [Member] |  |
401(k) PLAN (Details) [Line Items] |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 70,000 | $ 71,000

X
- References No definition available. + Details
Name: | bdl_kPLANDetailsLineItems
Namespace Prefix: | bdl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bdl_BoardOfDirectorsChairmenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |