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Segment Reporting - Segment Results (Detail) - USD ($) $ in Thousands | 3 Months Ended | 4 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 04, 2019 | Feb. 09, 2019 | Nov. 17, 2018 | May 05, 2018 | Feb. 10, 2018 | Nov. 18, 2017 | Aug. 31, 2019 | Aug. 25, 2018 | Aug. 31, 2019 | Aug. 25, 2018 | Aug. 26, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,783,006 | $ 2,450,568 | $ 2,641,733 | $ 2,660,152 | $ 2,413,026 | $ 2,589,131 | $ 3,988,435 | $ 3,558,769 | $ 11,863,743 | $ 11,221,077 | $ 10,888,676
Gross profit | 1,492,020 | 1,325,107 | 1,417,474 | 1,422,974 | 1,277,046 | 1,365,848 | 2,130,400 | 1,907,879 | 6,365,001 | 5,973,746 | 5,739,620
Operating, selling, general and administrative expenses |  |  |  |  |  |  |  |  | (4,148,864) | (4,162,890) | (3,659,551)
Interest expense, net |  |  |  |  |  |  |  |  | (184,804) | (174,527) | (154,580)
Income before income taxes | $ 504,284 | $ 358,658 | $ 448,812 | $ 503,807 | $ 165,758 | $ 429,865 | 719,578 | 536,899 | 2,031,333 | 1,636,329 | 1,925,489
Assets |  |  |  |  |  |  | 9,895,913 | 9,346,980 | 9,895,913 | 9,346,980 | 9,259,781
Capital Expenditures |  |  |  |  |  |  |  |  | 496,050 | 521,788 | 553,832
Auto Parts Locations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 11,645,235 | 10,951,498 | 10,523,272
Gross profit |  |  |  |  |  |  |  |  | 6,209,229 | 5,805,561 | 5,544,494
Assets |  |  |  |  |  |  | 9,781,926 | 9,231,021 | 9,781,926 | 9,231,021 | 8,964,371
Capital Expenditures |  |  |  |  |  |  |  |  | 479,120 | 499,762 | 533,304
Auto Parts Locations [Member] | Failure [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 5,728,294 | 5,338,890 | 5,100,702
Auto Parts Locations [Member] | Maintenance Items [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 4,140,987 | 3,914,546 | 3,774,386
Auto Parts Locations [Member] | Discretionary [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,775,954 | 1,698,062 | 1,648,184
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 218,508 | 269,579 | 365,404
Gross profit |  |  |  |  |  |  |  |  | 155,772 | 168,185 | 195,126
Assets |  |  |  |  |  |  | $ 113,987 | $ 115,959 | 113,987 | 115,959 | 295,410
Capital Expenditures |  |  |  |  |  |  |  |  | $ 16,930 | $ 22,026 | $ 20,528

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