Goodwill and Intangibles - Schedule of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
Aug. 25, 2018	Aug. 26, 2017
Goodwill [Line Items]
Goodwill, Beginning balance	$ 391,887	$ 391,887
Goodwill added through acquisition	0	0
Goodwill adjustments	(89,242)
Goodwill, Ending balance	302,645	391,887
Auto Parts Locations [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	326,703	326,703
Goodwill added through acquisition	0	0
Goodwill adjustments	(24,058)
Goodwill, Ending balance	302,645	326,703
Other [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	65,184	65,184
Goodwill added through acquisition	0	0
Goodwill adjustments	$ (65,184)
Goodwill, Ending balance		$ 65,184

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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