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401(k) Savings Plans - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Aug. 28, 2021 | Aug. 29, 2020 | Aug. 31, 2019
401(k) Savings Plans |  |  |
Percentage of company matching retirement savings plan contributions that vest immediately | 100.00% |  |
Percentage of savings option up to qualified earnings | 25.00% |  |
Annual contribution by employer towards 401(k) Plan | $ 34.1 | $ 29.8 | $ 25.8

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- Definition Maximum percentage of qualified earnings that can be contributed to the savings plan. + References No definition available. + Details
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Data Type: | num:percentItemType
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- References No definition available. + Details
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- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Amount of cash outflow for other postretirement benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes pension benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
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