General	3 Months Ended
Nov. 21, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	Note A – General The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission’s (the “SEC”) rules and regulations. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, including normal recurring accruals, considered necessary for a fair presentation have been included. For further information, refer to the consolidated financial statements and related notes included in the AutoZone, Inc. (“AutoZone” or the “Company”) Annual Report on Form 10-K for the year ended August 29, 2015. Operating results for the twelve weeks ended November 21, 2015, are not necessarily indicative of the results that may be expected for the fiscal year ending August 27, 2016. Each of the first three quarters of AutoZone’s fiscal year consists of 12 weeks, and the fourth quarter consists of 16 or 17 weeks. The fourth quarters for fiscal 2016 and 2015 each have 16 weeks. Additionally, the Company’s business is somewhat seasonal in nature, with the highest sales generally occurring during the months of February through September and the lowest sales generally occurring in the months of December and January. Recently Issued Accounting Pronouncements: In September 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. ASU 2015-16 requires an acquirer to recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined, including the cumulative effect of the change in provisional amount, as if the accounting had been completed at the acquisition date. The Company does not expect the provision of ASU 2015-16 to have a material impact on its consolidated financial statements. This update will be effective for the Company beginning with its fiscal 2017 first quarter. In November 2015, the FASB issued ASU 2015-07, Income Taxes – Balance Sheet Classification of Deferred Taxes (Topic 740). ASU 2015-07 requires all deferred tax liabilities and assets to be presented in the balance sheet as noncurrent. The Company does not expect the provision of ASU 2015-07 to have a material impact on its consolidated financial statements, as the application of this guidance affects classification only. This update will be effective for the Company beginning with its annual period ending August 26, 2017, with early adoption permitted.

Note A – General

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission’s (the “SEC”) rules and regulations. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, including normal recurring accruals, considered necessary for a fair presentation have been included. For further information, refer to the consolidated financial statements and related notes included in the AutoZone, Inc. (“AutoZone” or the “Company”) Annual Report on Form 10-K for the year ended August 29, 2015.

Operating results for the twelve weeks ended November 21, 2015, are not necessarily indicative of the results that may be expected for the fiscal year ending August 27, 2016. Each of the first three quarters of AutoZone’s fiscal year consists of 12 weeks, and the fourth quarter consists of 16 or 17 weeks. The fourth quarters for fiscal 2016 and 2015 each have 16 weeks. Additionally, the Company’s business is somewhat seasonal in nature, with the highest sales generally occurring during the months of February through September and the lowest sales generally occurring in the months of December and January.

Recently Issued Accounting Pronouncements: In September 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. ASU 2015-16 requires an acquirer to recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined, including the cumulative effect of the change in provisional amount, as if the accounting had been completed at the acquisition date. The Company does not expect the provision of ASU 2015-16 to have a material impact on its consolidated financial statements. This update will be effective for the Company beginning with its fiscal 2017 first quarter.

In November 2015, the FASB issued ASU 2015-07, Income Taxes – Balance Sheet Classification of Deferred Taxes (Topic 740). ASU 2015-07 requires all deferred tax liabilities and assets to be presented in the balance sheet as noncurrent. The Company does not expect the provision of ASU 2015-07 to have a material impact on its consolidated financial statements, as the application of this guidance affects classification only. This update will be effective for the Company beginning with its annual period ending August 26, 2017, with early adoption permitted.