XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Total Costs and Recoveries (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Oct. 06, 2018 | Jul. 14, 2018 | Oct. 06, 2018
Basis of Presentation [Line Items] |  |  |
Loss (recovery) on inferior ingredients | $ (1,891) | $ 3,884 | $ 1,993
Expense recognized | 2,265 |  |
Recovery recognized | (4,156) |  |
DSD Segment |  |  |
Basis of Presentation [Line Items] |  |  |
Loss (recovery) on inferior ingredients |  | $ 3,884 | 898
Expense recognized | 1,170 |  |
Recovery recognized | (4,156) |  |
Warehouse Segment |  |  |
Basis of Presentation [Line Items] |  |  |
Loss (recovery) on inferior ingredients | 1,095 |  | $ 1,095
Expense recognized | $ 1,095 |  |

X
- Definition Basis of presentation. + References No definition available. + Details
Name: | flo_BasisOfPresentationLineItems
Namespace Prefix: | flo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=flo_DirectStoreDeliveryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=flo_WarehouseDeliveryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |