Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 26, 2017	May 27, 2017	Feb. 25, 2017	Nov. 26, 2016	Aug. 27, 2016	May 28, 2016	Feb. 27, 2016	Nov. 28, 2015	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Current:
Federal									$ 37,027	$ 54,654	$ 65,656
Foreign									1,995	1,672	3,350
State									6,642	9,996	11,184
Total current									45,664	66,322	80,190
Deferred:
Federal									(520)	10,803	(2,705)
Foreign									123	(217)	34
State									(340)	1,437	(550)
Total deferred									(737)	12,023	(3,221)
Total	$ (2,781)	$ 15,000	$ 14,858	$ 17,850	$ 21,821	$ 18,555	$ 15,501	$ 22,468	$ 44,927	$ 78,345	$ 76,969