XML 106 R95.htm IDEA: XBRL DOCUMENT
v3.21.2

Stock-Based Compensation (Performance-Contingent Return on Invested Capital Shares) - Additional Information (Detail) - shares | 9 Months Ended
--- | ---
Oct. 09, 2021 | Oct. 03, 2020
Return On Invested Capital |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 1.75% |
Return On Invested Capital | Range One |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 1.75% |
Return On Invested Capital | Range Two |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 3.75% |
Return On Invested Capital | Range Three |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 4.75% |
Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Return on investment target over the three fiscal years immediately preceding the vesting date | 4.75% |
Percentage of shares that can be earned | 125.00% |
Maximum | 2019 Award |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of shares being expensed current estimated payout | 125.00% |
Maximum | 2020 & 2021 Award |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of shares being expensed | 100.00% |
Weighted Average Cost of Capital | Range One |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 50.00% |
Weighted Average Cost of Capital | Range Two |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 100.00% |
Weighted Average Cost of Capital | Range Three |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 125.00% |
Weighted Average Cost of Capital | Return On Invested Capital |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of payout, ROIC above WACC | 0.00% |
Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Return on investment target over the three fiscal years immediately preceding the vesting date | 1.75% |
Percentage of shares that can be earned | 0.00% |
Performance Contingent Return On Invested Capital Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period | 3 years |
Awards vested during period | 0 | 0

X
- Definition Range of Percentage Of Target Incentive Required Payout + References No definition available. + Details
Name: | flo_PercentageOfTargetIncentiveRequiredPayout
Namespace Prefix: | flo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target number of shares being expensed. + References No definition available. + Details
Name: | flo_PercentageOfTargetNumberOfSharesBeingExpensed
Namespace Prefix: | flo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target number of shares being expensed current estimated payout. + References No definition available. + Details
Name: | flo_PercentageOfTargetNumberOfSharesBeingExpensedCurrentEstimatedPayout
Namespace Prefix: | flo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Range of payout in percentage of target shares possible to earn. + References No definition available. + Details
Name: | flo_PercentageOfTargetShares
Namespace Prefix: | flo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Return On Investment Share Based Compensation Arrangement By Share Based Payment Award Performance Condition target Percentage in excess of weighted average cost of capital. + References No definition available. + Details
Name: | flo_ReturnOnInvestmentSharebasedCompensationArrangementBySharebasedPaymentAwardPerformanceConditionPercentage
Namespace Prefix: | flo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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 (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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_AwardTypeAxis=flo_ReturnOnInvestedCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=flo_RangeOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=flo_RangeTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=flo_RangeThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_AwardDateAxis=flo_TwentyTwentyAndTwentyTwentyOneAwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis=flo_ReturnOnInvestedCapitalSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |