Income Taxes - Reconciliation of Provision for Income Taxes (Details)	12 Months Ended
	Aug. 25, 2018	Aug. 26, 2017	Aug. 27, 2016
Income Tax Disclosure [Abstract]
Income taxes at the statutory federal income tax rate	25.90%	35.00%	35.00%
State income taxes	4.10%	3.50%	3.50%
Other	(2.80%)	0.50%	0.00%
Deemed Repatriation of Non - U.S. Earnings, net foreign tax credits and other (collectively, Transition Tax)	1.40%	0.00%	0.00%
Impact of U.S. tax reform federal tax rate reduction	(16.10%)	0.00%	0.00%
Total	12.50%	39.00%	38.50%