Income Taxes - Provision / (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 29, 2020	May 30, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 25, 2019	Feb. 23, 2019	Nov. 24, 2018	Aug. 29, 2020	Aug. 31, 2019	Aug. 25, 2018
Current:
Federal									$ 40,084	$ 38,545	$ 23,815
Foreign									1,589	(200)	527
State									12,865	11,733	8,012
Total current									54,538	50,078	32,354
Deferred:
Federal									(8,522)	7,289	(11,517)
Foreign									(599)	645	363
State									(3,299)	778	2,151
Total deferred									(12,420)	8,712	(9,003)
Total	$ 11,428	$ 5,921	$ 11,083	$ 13,686	$ 14,882	$ 14,480	$ 15,789	$ 13,639	$ 42,118	$ 58,790	$ 23,351