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Goodwill and Intangibles (Tables) | 12 Months Ended
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Aug. 25, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill are as follows:
(in thousands) |  | Auto Parts Locations |  |  | Other |  |  | Total |
Net balance as of August 27, 2016 |  | $ | 326,703 |  |  | $ | 65,184 |  |  | $ | 391,887 |
Goodwill added through acquisition |  |  | — |  |  |  | — |  |  |  | — |
Goodwill adjustments |  |  | — |  |  |  | — |  |  |  | — |
Net balance as of August 26, 2017 |  |  | 326,703 |  |  |  | 65,184 |  |  |  | 391,887 |
Goodwill added through acquisition |  |  | — |  |  |  | — |  |  |  | — |
Goodwill adjustments |  |  | (24,058 | ) |  |  | (65,184 | ) |  |  | (89,242 | )
Net balance as of August 25, 2018 |  | $ | 302,645 |  |  | $ | — |  |  | $ | 302,645 |
Schedule of Carrying Amounts of Intangible Assets | The carrying amounts of intangible assets are included in Other long-term assets as follows:
|  | August 25, 2018 |
(in thousands) |  | Estimated Useful Life |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Amortizing intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology |  |  | 3-5 years |  |  | $ | 870 |  |  | $ | (870 | ) |  | $ | — |
Customer relationships |  |  | 3-10 years |  |  |  | 29,376 |  |  |  | (19,587 | ) |  |  | 9,789 |
|  |  |  |  |  | $ | 30,246 |  |  | $ | (20,457 | ) |  |  | 9,789 |
Total intangible assets other than goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 9,789 |
|  | August 26, 2017 |
(in thousands) |  | Estimated Useful Life |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Amortizing intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology |  |  | 3-5 years |  |  | $ | 10,570 |  |  | $ | (9,994 | ) |  | $ | 576 |
Noncompete agreements |  |  | 5 years |  |  |  | 1,300 |  |  |  | (1,223 | ) |  |  | 77 |
Customer relationships |  |  | 3-10 years |  |  |  | 49,676 |  |  |  | (24,730 | ) |  |  | 24,946 |
|  |  |  |  |  | $ | 61,546 |  |  | $ | (35,947 | ) |  |  | 25,599 |
Non-amortizing intangible asset: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade names |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,900 |
Total intangible assets other than goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 52,499 |
Schedule of Future Amortization Expense for Finite Lived Intangible Assets | Total future amortization expense for intangible assets that have finite lives, based on the existing intangible assets and their current estimated useful lives as of August 25, 2018, is estimated as follows:
(in thousands) |  | Total |
2019 |  | $ | 4,173 |
2020 |  |  | 4,173 |
2021 |  |  | 1,443 |
Thereafter |  |  | — |
|  | $ | 9,789 |

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