XML 177 R161.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Plans Fair Value of Plan Assets by Asset Class (Detail) - USD ($) $ in Thousands | Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Pension plans |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | $ 27,856 | $ 29,404 | $ 28,090
Short Term Investments And Cash |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 214 | 501 |
Common Stocks | International Common Stocks |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 2,022 | 2,401 |
Common Stocks | U.S. Common Stocks |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 4,190 | 4,425 |
Fixed Income Securities | Domestic Corporate Debt Securities |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 21,430 | 22,077 |
Level 1 | Pension plans |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 6,426 | 29,404 |
Level 1 | Short Term Investments And Cash |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 214 | 501 |
Level 1 | Common Stocks | International Common Stocks |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 2,022 | 2,401 |
Level 1 | Common Stocks | U.S. Common Stocks |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 4,190 | 4,425 |
Level 1 | Fixed Income Securities | Domestic Corporate Debt Securities |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets |  | $ 22,077 |
Level 2 | Pension plans |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | 21,430 |  |
Level 2 | Fixed Income Securities | Domestic Corporate Debt Securities |  |  |
Schedule of Pension Plan Assets by Fair Value [Line Items] |  |  |
Fair value of plan assets | $ 21,430 |  |

X
- Definition Schedule of Pension Plan Assets by Fair Value [Line Items] + References No definition available. + Details
Name: | flo_ScheduleOfPensionPlanAssetsByFairValueLineItems
Namespace Prefix: | flo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=flo_ShortTermInvestmentsAndCashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanEquitySecuritiesCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=flo_InternationalCommonStocksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=flo_USCommonStocksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DomesticCorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |