Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

Name:	us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

+ Details

Name:	us-gaap_SalesRevenueGoodsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=51677171&loc=d3e3636-108311

+ Details

Name:	us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=flo_DirectStoreDeliveryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioPreviouslyReportedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revisions to Applicable Financial Statement Line Items (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 18, 2015	Jul. 12, 2014	Jul. 18, 2015	Jul. 12, 2014
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales	$ 888,795	$ 872,791	$ 2,034,840	$ 2,026,708
Selling, distribution and administrative expense	318,758	314,995	742,532	735,542
DSD Segment
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales	$ 751,969	736,364	$ 1,718,132	1,699,486
Selling, distribution and administrative expense		283,533		662,178
As Previously Reported
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales		877,378		2,037,138
Selling, distribution and administrative expense		319,582		745,972
As Previously Reported \| DSD Segment
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales		740,951		1,709,916
Selling, distribution and administrative expense		288,120		672,608
Revisions
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales		(4,587)		(10,430)
Selling, distribution and administrative expense		(4,587)		(10,430)
Revisions \| DSD Segment
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Sales		(4,587)		(10,430)
Selling, distribution and administrative expense		$ (4,587)		$ (10,430)