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Recent Accounting Pronouncements - Schedule of Impacts of New Accounting Pronouncements on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands | Feb. 23, 2019 | Nov. 24, 2018 | Aug. 26, 2018 | Aug. 25, 2018 | Feb. 24, 2018 | Nov. 25, 2017 | Aug. 26, 2017
--- | --- | --- | --- | --- | --- | --- | ---
Assets |  |  |  |  |  |  |
Prepaid expenses and other current assets | $ 35,195 |  | $ 32,688 | $ 21,899 |  |  |
Total current assets | 849,096 |  | 795,589 | 784,800 |  |  |
Other assets | 75,447 |  | 72,664 | 30,259 |  |  |
Total assets | 1,954,106 |  | 1,896,580 | 1,843,386 |  |  |
Liabilities and shareholders' equity |  |  |  |  |  |  |
Accrued and deferred income taxes | 87,688 |  | 87,831 | 74,070 |  |  |
Total liabilities | 373,316 |  | 392,180 | 378,419 |  |  |
Retained earnings | 1,520,431 |  | 1,444,672 | 1,405,239 |  |  |
Total shareholders' equity | 1,580,790 | $ 1,539,498 | 1,504,400 | 1,464,967 | $ 1,544,401 | $ 1,485,608 | $ 1,453,192
Total liabilities and shareholders' equity | 1,954,106 |  | $ 1,896,580 | 1,843,386 |  |  |
Accounting Standards Update 2014-09 |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  | 10,789 |  |  |
Total current assets |  |  |  | 10,789 |  |  |
Other assets |  |  |  | 42,405 |  |  |
Total assets |  |  |  | 53,194 |  |  |
Liabilities and shareholders' equity |  |  |  |  |  |  |
Accrued and deferred income taxes |  |  |  | 13,761 |  |  |
Total liabilities |  |  |  | 13,761 |  |  |
Retained earnings |  |  |  | 39,433 |  |  |
Total shareholders' equity |  |  |  | 39,433 |  |  |
Total liabilities and shareholders' equity |  |  |  | $ 53,194 |  |  |
Under Historical Guidance |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Prepaid expenses and other current assets | 24,406 |  |  |  |  |  |
Total current assets | 838,307 |  |  |  |  |  |
Other assets | 30,817 |  |  |  |  |  |
Total assets | 1,898,687 |  |  |  |  |  |
Liabilities and shareholders' equity |  |  |  |  |  |  |
Accrued and deferred income taxes | 73,360 |  |  |  |  |  |
Total liabilities | 358,988 |  |  |  |  |  |
Retained earnings | 1,479,340 |  |  |  |  |  |
Total shareholders' equity | 1,539,699 |  |  |  |  |  |
Total liabilities and shareholders' equity | 1,898,687 |  |  |  |  |  |
Capitalization of Contract Costs and Impact of Adopting New Revenue Standard | Accounting Standards Update 2014-09 |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Prepaid expenses and other current assets | 10,789 |  |  |  |  |  |
Total current assets | 10,789 |  |  |  |  |  |
Other assets | 44,630 |  |  |  |  |  |
Total assets | 55,419 |  |  |  |  |  |
Liabilities and shareholders' equity |  |  |  |  |  |  |
Accrued and deferred income taxes | 14,328 |  |  |  |  |  |
Total liabilities | 14,328 |  |  |  |  |  |
Retained earnings | 41,091 |  |  |  |  |  |
Total shareholders' equity | 41,091 |  |  |  |  |  |
Total liabilities and shareholders' equity | $ 55,419 |  |  |  |  |  |

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