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Associate Benefit Plans (Tables) | 12 Months Ended
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Sep. 01, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule Of Stock-Based Compensation Expense |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | For the Fiscal Years Ended
﻿ |  | September 1, |  | September 2, |  | September 3,
﻿ |  | 2018 |  | 2017 |  | 2016
﻿Stock options |  | $ | 4,534 |  | $ | 4,369 |  | $ | 4,382
﻿Restricted share awards |  |  | 2,856 |  |  | 4,399 |  |  | 6,112
﻿Restricted stock units |  |  | 7,281 |  |  | 4,872 |  |  | 3,205
﻿Associate Stock Purchase Plan |  |  | 263 |  |  | 285 |  |  | 286
﻿Total |  |  | 14,934 |  |  | 13,925 |  |  | 13,985
﻿Deferred income tax benefit |  |  | (4,376) |  |  | (5,292) |  |  | (5,206)
﻿Stock-based compensation expense, net |  | $ | 10,558 |  | $ | 8,633 |  | $ | 8,779
﻿
Summary Of Stock Option Activity |
﻿ |  |  |  |  |
﻿ |  | 2018
﻿ |  | Shares |  | Weighted-Average Exercise Price
﻿Outstanding - beginning of year |  | 1,743 |  | $ | 70.88
﻿Granted |  | 436 |  |  | 79.60
﻿Exercised |  | (342) |  |  | 70.96
﻿Canceled/Forfeited |  | (77) |  |  | 72.45
﻿Outstanding - end of year |  | 1,760 |  | $ | 72.96
﻿Exercisable - end of year |  | 666 |  | $ | 73.96
﻿
Schedule Of Option Grant Fair Value Assumptions |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | 2018 |  | 2017 |  | 2016
﻿Expected life (in years) |  | 4.0 |  |  | 4.1 |  |  | 3.9 |
﻿Risk-free interest rate |  | 1.87 | % |  | 1.16 | % |  | 1.09 | %
﻿Expected volatility |  | 22.1 | % |  | 20.5 | % |  | 21.8 | %
﻿Expected dividend yield |  | 2.30 | % |  | 2.40 | % |  | 2.40 | %
﻿Weighted-Average Grant-Date Fair Value | $ | 12.25 |  | $ | 9.29 |  | $ | 8.03 |
﻿ |  |  |  |  |  |  |  |  |
﻿
Summary Of Stock Options By Range Of Exercise Price |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Range of Exercise Prices |  | Number of Options Outstanding at September 1, 2018 |  | Weighted-Average Remaining Contractual Life |  | Weighted-Average Exercise Price |  | Intrinsic Value |  | Number of Options Exercisable at September 1, 2018 |  | Weighted-Average Remaining Contractual Life |  | Weighted-Average Exercise Price |  | Intrinsic Value
﻿$ 58.90 – $ 69.46 |  | 464 |  | 3.9 |  | $ | 59.90 |  | $ | 11,869 |  | 213 |  | 3.5 |  | $ | 61.08 |  | $ | 5,188
﻿ 69.47 – 72.23 |  | 460 |  | 5.2 |  |  | 71.33 |  |  | 6,501 |  | 99 |  | 5.2 |  |  | 71.33 |  |  | 1,398
﻿ 72.24 – 81.76 |  | 578 |  | 5.0 |  |  | 80.25 |  |  | 3,032 |  | 171 |  | 2.2 |  |  | 81.75 |  |  | 637
﻿ 81.77 – 83.03 |  | 258 |  | 3.1 |  |  | 83.02 |  |  | 635 |  | 183 |  | 3.1 |  |  | 83.03 |  |  | 450
﻿ |  | 1,760 |  | 4.5 |  | $ | 72.96 |  | $ | 22,037 |  | 666 |  | 3.3 |  | $ | 73.96 |  | $ | 7,673
﻿
Restricted Share Awards [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary Of Non-Vested Restricted Share Award Activity |
﻿ |  |  |  |
﻿ | 2018
﻿ | Shares |  |  | Weighted-Average Grant-Date Fair Value
﻿Non-vested restricted share awards at the beginning of the year | 160 |  | $ | 80.49
﻿Granted | — |  |  | —
﻿Vested | (91) |  |  | 79.23
﻿Canceled/Forfeited | (6) |  |  | 82.43
﻿Non-vested restricted share awards at the end of the year | 63 |  | $ | 81.98
﻿ |  |  |  |
﻿
Restricted Stock Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary Of Non-Vested Restricted Stock Unit Award Activity |
﻿ |  |  |  |
﻿ | 2018
﻿ | Shares |  |  | Weighted-Average Grant-Date Fair Value
﻿Non-vested restricted stock unit awards at the beginning of the year | 313 |  | $ | 66.66
﻿Granted | 175 |  |  | 81.57
﻿Vested | (81) |  |  | 66.75
﻿Canceled/Forfeited | (30) |  |  | 71.60
﻿Non-vested restricted stock unit awards at the end of the year | 377 |  | $ | 73.18
﻿

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