Basis of Presentation	3 Months Ended
Nov. 28, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation	1. Basis of Presentation These Consolidated Financial Statements of UniFirst Corporation (the “Company”) have been prepared, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations; however, the Company believes that the information furnished reflects all adjustments (consisting only of normal recurring adjustments) which are, in the opinion of management, necessary for a fair statement of results for the interim period. It is suggested that these Consolidated Financial Statements be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended August 29, 2020. There have been no material changes in the accounting policies followed by the Company during the current fiscal year other than the adoption of recent accounting pronouncements discussed in Note 2. Results for an interim period are not indicative of any future interim periods or for an entire fiscal year.

Basis of Presentation

3 Months Ended

Nov. 28, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

1. Basis of Presentation

These Consolidated Financial Statements of UniFirst Corporation (the “Company”) have been prepared, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations; however, the Company believes that the information furnished reflects all adjustments (consisting only of normal recurring adjustments) which are, in the opinion of management, necessary for a fair statement of results for the interim period.

It is suggested that these Consolidated Financial Statements be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended August 29, 2020. There have been no material changes in the accounting policies followed by the Company during the current fiscal year other than the adoption of recent accounting pronouncements discussed in Note 2. Results for an interim period are not indicative of any future interim periods or for an entire fiscal year.