XML 112 R102.htm IDEA: XBRL DOCUMENT
v3.21.2

Vesting Time-Based Restricted Stock Units (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 17, 2021 | Jul. 11, 2020 | Jul. 17, 2021 | Jul. 11, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dividends at Vesting | $ 71 | $ 22 | $ 234 | $ 109
Fiscal Year Vested 2021 | 2020 Award Granted |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dividends at Vesting |  |  | 53 |
Tax Benefit |  |  | 16 |
Fair Value at Vesting |  |  | 1,520 |
Fiscal Year Vested 2021 | 2019 Award |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dividends at Vesting |  |  | 107 |
Tax Benefit |  |  | 77 |
Fair Value at Vesting |  |  | 1,582 |
Fiscal Year Vested 2020 | 2019 Award |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dividends at Vesting |  |  | 55 |
Tax Benefit |  |  | 57 |
Fair Value at Vesting |  |  | $ 1,831 |

X
- Definition Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP). + References No definition available. + Details
Name: | us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind dividends declared for award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_DividendsShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_VestingAxis=flo_ShareBasedCompensationAwardTrancheFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=flo_TwentyTwentyAwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=flo_TwentyNineteenAwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=flo_ShareBasedCompensationAwardTrancheFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |