XML 120 R102.htm IDEA: XBRL DOCUMENT v3.22.0.1

Long Term Debt and Capital Leases (Parenthetical) (Detail)	12 Months Ended
	Jan. 01, 2022
2031 Notes
Debt Instrument [Line Items]
Senior notes due year	2031
2026 Notes
Debt Instrument [Line Items]
Senior notes due year	2026
2022 Notes
Debt Instrument [Line Items]
Senior notes due year	2022

X

- Definition

Debt instrument maturity date year.

+ References

No definition available.

+ Details

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Namespace Prefix:	flo_
Data Type:	xbrli:gYearItemType
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=flo_TwoPointFourPercentSeniorNotesDueTwoThousandThirtyOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=flo_ThreePointFivePercentSeniorNotesDueTwoThousandTwentySixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=flo_FourPointThreeSevenFivePercentSeniorNotesDueTwoThousandTwentyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: