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Stock-Based Compensation (Schedule Of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 29, 2020 | Mar. 02, 2019 | Feb. 29, 2020 | Mar. 02, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | $ 4,017 | $ 3,904 | $ 8,178 | $ 8,078
Deferred income tax benefit | (1,008) | (980) | (2,048) | (2,028)
Stock-based compensation expense, net | 3,009 | 2,924 | 6,130 | 6,050
Stock Options [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 754 | 1,121 | 1,729 | 2,326
Restricted Share Awards [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | (21) | 338 | 184 | 870
Restricted Stock Units [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 3,039 | 2,364 | 5,915 | 4,729
Performance Share Units [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 168 |  | 214 |
Associate Stock Purchase Plan [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | $ 77 | $ 81 | $ 136 | $ 153

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