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v2.4.1.9

Financial Statement Revisions - Additional Information (Detail) | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012
Error Corrections and Prior Period Adjustments Revision [Line Items] |  |
Impact of discounts paid on independent distributor cash sales | 0.50%flo_PercentageOfCashSalesDiscounts | 0.50%flo_PercentageOfCashSalesDiscounts
DSD Segment |  |
Error Corrections and Prior Period Adjustments Revision [Line Items] |  |
Impact of discounts paid on independent distributor cash sales | 0.60%flo_PercentageOfCashSalesDiscounts / us-gaap_StatementBusinessSegmentsAxis = flo_DirectStoreDeliveryMember | 0.60%flo_PercentageOfCashSalesDiscounts / us-gaap_StatementBusinessSegmentsAxis = flo_DirectStoreDeliveryMember

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- Details
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Namespace Prefix: | flo_
Data Type: | xbrli:stringItemType
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- Definition Percentage Of Cash Sales Discounts + References No definition available. + Details
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Data Type: | num:percentItemType
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: |