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Benefits Expected to be Paid from Plans Assets (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	Dec. 31, 2014
Plan No. 1
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Distributions from existing plan assets	$ 48,400us-gaap_DefinedBenefitPlanSettlementsPlanAssets / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = flo_PlanOneMember
Plan No. 2
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Distributions from existing plan assets	$ 2,000us-gaap_DefinedBenefitPlanSettlementsPlanAssets / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = flo_PlanTwoMember

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- Definition

The amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Section 15

-Paragraph 6

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(8)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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