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Marketable Debt Securities - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Aug. 28, 2021 | Aug. 29, 2020
Marketable Debt Securities |  |
Available for sale securities debt maturity period range | less than one year to approximately four years |
Marketable securities transferred | $ 62.5 | $ 30.1

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- Definition The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(b)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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