Name:	flo_FairValueDisclosuresLineItems
Namespace Prefix:	flo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the term in years for distributor notes receivable

+ References

No definition available.

+ Details

Name:	flo_FinancingPeriodOfDistributorNotesReceivable
Namespace Prefix:	flo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the approximate number of independent distributors for the company.

+ References

No definition available.

+ Details

Name:	flo_NumberOfIndependentDistributors
Namespace Prefix:	flo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

Name:	us-gaap_SeniorLongTermNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value of Financial Instruments - Additional Information (Detail) (USD $)	6 Months Ended				6 Months Ended
	Jul. 12, 2014 Distributor	Dec. 28, 2013	Jul. 12, 2014 4.375% Senior Notes	Mar. 28, 2012 4.375% Senior Notes	Jul. 12, 2014 Maximum
Fair Value Disclosures [Line Items]
Number of independent distributors	3,600
Financing period of territories, years					10 years
Notes bearing interest rate			4.375%	4.375%
Long term debt carrying value	$ 399,258,000	$ 399,207,000
Debt Obligations			$ 419,600,000