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Basis of Presentation (Policies) | 6 Months Ended
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Jul. 12, 2025
Accounting Policies [Abstract] |
Segments | REPORTING SEGMENT — The company has identified two operating segments based on how business activities are managed and evaluated, legacy Flowers Foods and Simple Mills. Simple Mills qualifies as an operating segment as it meets the criteria of being a business and has discrete financial information available that is regularly reviewed by the chief executive officer (the "CEO"), who is the chief operating decision maker (the "CODM"), to assess the performance and allocate resources. As Simple Mills shares similar economic characteristics with legacy Flowers Foods, we aggregate Simple Mills and legacy Flowers Foods as one operating segment for the purposes of determining our one reportable segment.
Reporting Periods - Fiscal Year End | REPORTING PERIODS — Fiscal Year End. Our fiscal year ends on the Saturday nearest December 31, resulting in a 53rd reporting week every five or six years. Our internal financial results and key performance indicators are reported on a weekly calendar basis to ensure the same numbers of Saturdays and Sundays in comparable months and to allow for a consistent four-week progression analysis. The company has elected the first quarter to report the extra four-week period. As such, our quarters are divided as follows:
Quarter |  | Number of Weeks
First Quarter |  | Sixteen
Second Quarter |  | Twelve
Third Quarter |  | Twelve
Fourth Quarter |  | Twelve (or Thirteen in fiscal years with an extra week)
Accordingly, interim results may not be indicative of subsequent interim period results, or comparable to prior or subsequent interim period results, due to differences in the lengths of the interim periods.

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- Definition Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481231/810-10-45-12 + Details
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