Organization, Consolidation and Presentation of Financial Statements (Policies)	9 Months Ended
May 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Unaudited Interim Consolidated Financial Statements The unaudited interim consolidated financial statements include the accounts of Simply Good Foods and its wholly-owned subsidiaries. All intercompany accounts and transactions have been eliminated. Unless the context otherwise requires, “we,” “us,” “our” and the “Company” refer to Simply Good Foods and its subsidiaries. In context, “Quest” may also refer to the Quest brand, “Atkins” may also refer to the Atkins brand, and “OWYN” may also refer to the OWYN brand. Atkins, Atkins Endulge, Quest, OWYN, and the Simply Good logo are either registered trademarks or trademarks of the Company’s wholly owned subsidiary Simply Good Foods USA, Inc. or one of its affiliates in the United States and elsewhere. All rights are reserved. The Company maintains its accounting records on a 52/53-week fiscal year, ending on the last Saturday in August. The interim consolidated financial statements and related notes of the Company and its subsidiaries are unaudited. The unaudited interim consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”) and the rules and regulations of the Securities and Exchange Commission (the “SEC”). The unaudited interim consolidated financial statements reflect all adjustments and disclosures which are, in the Company’s opinion, necessary for a fair presentation of the results of operations, financial position and cash flows for the indicated periods. All such adjustments were of a normal and recurring nature unless otherwise disclosed. The year-end balance sheet data was derived from the audited financial statements and, in accordance with the instructions to Form 10-Q, certain information and footnote disclosures required by GAAP have been condensed or omitted. The results reported in these unaudited interim consolidated financial statements are not necessarily indicative of the results that may be reported for the entire fiscal year and should be read in conjunction with the Company’s consolidated financial statements for the fiscal year ended August 30, 2025, included in the Company’s Annual Report on Form 10-K (“Annual Report”) filed with the SEC on October 28, 2025.

The unaudited interim consolidated financial statements include the accounts of Simply Good Foods and its wholly-owned subsidiaries. All intercompany accounts and transactions have been eliminated. Unless the context otherwise requires, “we,” “us,” “our” and the “Company” refer to Simply Good Foods and its subsidiaries. In context, “Quest” may also refer to the Quest brand, “Atkins” may also refer to the Atkins brand, and “OWYN” may also refer to the OWYN brand. Atkins, Atkins Endulge, Quest, OWYN, and the Simply Good logo are either registered trademarks or trademarks of the Company’s wholly owned subsidiary Simply Good Foods USA, Inc. or one of its affiliates in the United States and elsewhere. All rights are reserved.

The interim consolidated financial statements and related notes of the Company and its subsidiaries are unaudited. The unaudited interim consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”) and the rules and regulations of the Securities and Exchange Commission (the “SEC”). The unaudited interim consolidated financial statements reflect all adjustments and disclosures which are, in the Company’s opinion, necessary for a fair presentation of the results of operations, financial position and cash flows for the indicated periods. All such adjustments were of a normal and recurring nature unless otherwise disclosed. The year-end balance sheet data was derived from the audited financial statements and, in accordance with the instructions to Form 10-Q, certain information and footnote disclosures required by GAAP have been condensed or omitted. The results reported in these unaudited interim consolidated financial statements are not necessarily indicative of the results that may be reported for the entire fiscal year and should be read in conjunction with the Company’s consolidated financial statements for the fiscal year ended August 30, 2025, included in the Company’s Annual Report on Form 10-K (“Annual Report”) filed with the SEC on October 28, 2025.