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v3.3.1.900

Financial Statement Revisions - Additional Information (Detail) | 12 Months Ended
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Dec. 28, 2013
Error Corrections And Prior Period Adjustments Restatement [Line Items] |
Impact of discounts paid on independent distributor cash sales | 0.50%
DSD Segment |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |
Impact of discounts paid on independent distributor cash sales | 0.60%

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- Definition Percentage Of Cash Sales Discounts + References No definition available. + Details
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Namespace Prefix: | flo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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