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Share-Based Payments - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Aug. 28, 2021 | Aug. 29, 2020 | Aug. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum percentage of discount on salary and bonus | 25.00% |  |
Share-based compensation expense | $ 56,112 | $ 44,835 | $ 43,255
Share-based compensation expense for unvested awards not yet recognized in earnings | $ 52,700 |  |
Weighted average period recognition of share-based compensation expense for unvested awards | 1 year 8 months 12 days |  |
Exercise period of vested options after death | 1 year |  |
Weighted average grant date fair value of options granted | $ 304.31 | $ 252.54 | $ 208.37
Intrinsic value of options exercised | $ 280,100 | $ 101,900 | $ 227,400
Total fair value of options vested | 44,700 | 39,100 | 34,500
Expense related to the discount on the selling of shares to employees and executives | $ 2,500 | $ 3,100 | $ 2,800
Shares sold to employees under employee stock purchase plan | 8,479 | 10,525 | 11,011
Shares purchased from employees at fair value | 7,611 | 8,287 | 17,201
Common stock reserved for future issuance | 133,762 |  |
Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Exercise period of vested options after service period | 90 days |  |
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Exercise period of vested options after service period | 30 days |  |
Two Thousand Three Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Accrued director fees | $ 7,500 | $ 5,700 |
Additional shares of stock or units | 0 |  |
Accrued director fees in shares | 4,822 | 4,822 |
Executive Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares sold to employees under employee stock purchase plan | 997 | 1,204 | 1,483
Common stock reserved for future issuance | 234,364 |  |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Non vested restricted stock unit award | $ 10,500 |  |
Estimated weighted average period | 2 years 4 months 24 days |  |
Service period | 4 years |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Term of options from grant date | 10 years or 10 years and one day |  |
2011 Equity Incentive Award Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Debt instrument term | 10 years |  |

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