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Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 13, 2021 | Feb. 15, 2020 | Feb. 13, 2021 | Feb. 15, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 2,910,818 | $ 2,513,663 | $ 6,065,078 | $ 5,306,700
Gross profit | 1,559,383 | 1,366,063 | 3,235,000 | 2,867,131
Operating, selling, general and administrative expenses | (1,077,616) | (958,125) | (2,138,008) | (1,959,170)
Interest expense, net | (46,012) | (44,335) | (92,191) | (88,078)
Income before income taxes | 435,755 | 363,603 | 1,004,801 | 819,883
Auto Parts Stores |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 2,859,698 | 2,464,988 | 5,961,295 | 5,208,226
Gross profit | 1,524,981 | 1,331,270 | 3,164,885 | 2,797,431
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 51,120 | 48,675 | 103,783 | 98,474
Gross profit | $ 34,402 | $ 34,793 | $ 70,115 | $ 69,700

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