XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.1.9
Effect of Largest Customer in Sales (Detail) (Sales Revenue, Net, Wal-Mart/Sam's Club, Customer Concentration Risk)
 4 Months Ended
Apr. 25, 2015
Apr. 19, 2014
Revenue, Major Customer [Line Items]    
Percentage of sales, Total 19.40%us-gaap_ConcentrationRiskPercentage1 19.60%us-gaap_ConcentrationRiskPercentage1
DSD Segment
    
Revenue, Major Customer [Line Items]    
Percentage of sales, Total 16.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= flo_WalmartSamsClubMember
/ us-gaap_StatementBusinessSegmentsAxis
= flo_DirectStoreDeliveryMember		 16.70%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= flo_WalmartSamsClubMember
/ us-gaap_StatementBusinessSegmentsAxis
= flo_DirectStoreDeliveryMember
Warehouse Segment
    
Revenue, Major Customer [Line Items]    
Percentage of sales, Total 2.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= flo_WalmartSamsClubMember
/ us-gaap_StatementBusinessSegmentsAxis
= flo_WarehouseDeliveryMember		 2.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= flo_WalmartSamsClubMember
/ us-gaap_StatementBusinessSegmentsAxis
= flo_WarehouseDeliveryMember