Stock Repurchase Program - Summarize Company's Share Repurchase Activity (Detail) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended	248 Months Ended
Aug. 25, 2018	Aug. 26, 2017	Aug. 27, 2016	Aug. 25, 2018
Equity [Abstract]
Amount	$ 1,592,013	$ 1,071,649	$ 1,452,462
Shares	2,398	1,495	1,903	144,700

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration