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Acquisitions (Modesto acquisition) - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 12 Months Ended
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Jul. 27, 2013 | Dec. 28, 2013
Business Acquisition [Line Items] |  |
Goodwill acquired |  | $ 9,628 us-gaap_GoodwillAcquiredDuringPeriod
Modesto |  |
Business Acquisition [Line Items] |  |
Business acquisition | 10,300 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = flo_ModestoMember |
Goodwill acquired |  | 4,209 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = flo_ModestoMember
Modesto | DSD Segment |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | $ 4,200 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = flo_ModestoMember / us-gaap_StatementOperatingActivitiesSegmentAxis = flo_DirectStoreDeliveryMember |

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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