XML 150 R131.htm IDEA: XBRL DOCUMENT v3.20.4

Performance Contingent TSR Shares (Detail) - Total Shareholders Return - Omnibus Plan - $ / shares				3 Months Ended		4 Months Ended	12 Months Ended
	Oct. 06, 2019	Jul. 14, 2019	May 23, 2019	Oct. 03, 2020	Jul. 11, 2020	Apr. 18, 2020	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	2,000	5,000	11,000	5,000	2,000	8,000	0	331,000	440,000
Vesting Date	Mar. 01, 2022	Mar. 01, 2022	Mar. 01, 2022	Feb. 28, 2023	Feb. 28, 2023	Feb. 28, 2023		Feb. 28, 2023	Mar. 01, 2022
Fair Value per Share	$ 22.52	$ 23.32	$ 27.23	$ 24.63	$ 21.97	$ 23.14		$ 25.00	$ 21.58

X

- Definition

Share based compensation arrangement by share based payment award vesting date.

+ References

No definition available.

+ Details

Name:	flo_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingDate
Namespace Prefix:	flo_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis=flo_ShareholdersReturnMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=flo_OmnibusPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: