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Business And Summary Of Significant Accounting Policies (Components Of Other Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Aug. 29, 2020 | Aug. 31, 2019
Intangible Assets By Major Class [Line Items] |  |
Gross Carrying Amount, Total | $ 234,674 | $ 235,117
Accumulated Amortization | (129,801) | (118,449)
Customer Relationships [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Gross Carrying Amount | 214,460 | 214,460
Accumulated Amortization | $ (123,958) | (113,319)
Customer Relationships [Member] | Minimum [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Weighted Average Useful Life (in years) | 5 years |
Customer Relationships [Member] | Maximum [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Weighted Average Useful Life (in years) | 18 years |
Trademarks [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Gross Carrying Amount | $ 7,403 | 7,691
Accumulated Amortization | $ (5,843) | (5,130)
Trademarks [Member] | Minimum [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Weighted Average Useful Life (in years) | 1 year |
Trademarks [Member] | Maximum [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Weighted Average Useful Life (in years) | 5 years |
Trademarks [Member] |  |
Intangible Assets By Major Class [Line Items] |  |
Gross Carrying Amount, Indefinite | $ 12,811 | $ 12,966

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