Stock-Based Compensation (Tables)	3 Months Ended
	Nov. 27, 2021
Stock-Based Compensation [Abstract]
Schedule Of Stock-Based Compensation Expense	Thirteen Weeks Ended November 27, November 28, 2021 2020Stock options $ 588 $ 677Restricted stock units 4,703 3,299Performance share units 308 213Associate Stock Purchase Plan 90 49Total 5,689 4,238Deferred income tax benefit (1,337) (1,030)Stock-based compensation expense, net $ 4,352 $ 3,208
Summary Of Stock Option Activity	Options Weighted-Average Exercise Price per Share Weighted-Average Remaining Contractual Term (in years) Aggregate Intrinsic ValueOutstanding on August 28, 2021 1,130 $ 76.38 Granted — — Exercised (113) 62.77 Canceled/Forfeited — — Outstanding on November 27, 2021 1,017 $ 77.89 2.2 $ 4,303Exercisable on November 27, 2021 945 $ 77.48 2.1 $ 4,303
Summary Of Performance Share Unit Activity	Shares Weighted-Average Grant Date Fair ValueNon-vested PSUs at August 28, 2021 58 $ 75.52Granted 46 84.96Vested — —Canceled/Forfeited (9) 75.46Non-vested PSUs at November 27, 2021 (1) 95 $ 80.06 (1) Excludes approximately 7 shares of accrued incremental dividend equivalent rights on outstanding PSUs granted under the 2015 Omnibus Incentive Plan.
Summary Of Non-Vested Restricted Stock Unit Award Activity	Shares Weighted-Average Grant Date Fair ValueNon-vested RSUs at August 28, 2021 524 $ 76.69Granted 157 84.96Vested (161) 76.59Canceled/Forfeited (29) 75.88Non-vested RSUs at November 27, 2021 (1) 491 $ 79.42 (1) Excludes approximately 49 shares of accrued incremental dividend equivalent rights on outstanding RSUs granted under the 2015 Omnibus Incentive Plan.