XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.19.2

Summary of Loss (Recovery) on Inferior Ingredients (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 13, 2019 | Jul. 14, 2018 | Jul. 13, 2019 | Jul. 14, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |  |  |
Loss on inferior ingredients | $ 110 | $ 3,884 | $ 1,409 | $ 3,884
Recovery on inferior ingredients | $ (110) |  | (1,822) |
Loss (recovery) on inferior ingredients |  | $ 3,884 | $ (413) | $ 3,884

X
- Definition Loss on inferior ingredients. + References No definition available. + Details
Name: | flo_LossOnInferiorIngredients
Namespace Prefix: | flo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss (recovery) on inferior ingredients. + References No definition available. + Details
Name: | flo_LossRecoveryOnInferiorIngredients
Namespace Prefix: | flo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recovery on inferior ingredients. + References No definition available. + Details
Name: | flo_RecoveryOnInferiorIngredients
Namespace Prefix: | flo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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