Recent Accounting Pronouncements - Schedule of Impacts of New Accounting Pronouncements on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	May 25, 2019	Feb. 23, 2019	Nov. 24, 2018	Aug. 26, 2018	Aug. 25, 2018	May 26, 2018	Feb. 24, 2018	Nov. 25, 2017	Aug. 26, 2017
Assets
Prepaid expenses and other current assets	$ 32,688			$ 32,688	$ 21,899
Total current assets	861,855			795,589	784,800
Other assets	78,977			72,664	30,259
Total assets	1,981,301			1,896,580	1,843,386
Liabilities and shareholders’ equity
Accrued and deferred income taxes	90,674			87,831	74,070
Total liabilities	371,605			392,180	378,419
Retained earnings	1,551,475			1,444,672	1,405,239
Total shareholders’ equity	1,609,696	$ 1,580,790	$ 1,539,498	1,504,400	1,464,967	$ 1,429,421	$ 1,544,401	$ 1,485,608	$ 1,453,192
Total liabilities and shareholders’ equity	1,981,301			$ 1,896,580	1,843,386
Under Historical Guidance
Assets
Prepaid expenses and other current assets	21,899
Total current assets	851,066
Other assets	32,748
Total assets	1,924,283
Liabilities and shareholders’ equity
Accrued and deferred income taxes	75,964
Total liabilities	356,895
Retained earnings	1,509,167
Total shareholders’ equity	1,567,388
Total liabilities and shareholders’ equity	1,924,283
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
Accounting Standards Update 2014-09 | Capitalization of Contract Costs and Impact of Adopting New Revenue Standard
Assets
Prepaid expenses and other current assets	10,789
Total current assets	10,789
Other assets	46,229
Total assets	57,018
Liabilities and shareholders’ equity
Accrued and deferred income taxes	14,710
Total liabilities	14,710
Retained earnings	42,308
Total shareholders’ equity	42,308
Total liabilities and shareholders’ equity	$ 57,018