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Financial Statement Revisions - Additional Information (Detail)	12 Months Ended
	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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Percentage Of Cash Sales Discounts

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