Note 4 - Income Taxes (Details) - Provision for Income Taxes (Incomplete) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 29, 2015	May. 30, 2015	Feb. 28, 2015	Nov. 29, 2014	Aug. 30, 2014	May. 31, 2014	Mar. 01, 2014	Nov. 30, 2013	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Current:
Federal									$ 65,656	$ 54,005	$ 39,455
Foreign									3,350	3,480	3,999
State									11,184	9,216	6,722
Total current									80,190	66,701	50,176
Deferred:
Federal									(2,705)	6,838	17,514
Foreign									34	59	151
State									(550)	1,828	3,083
Total deferred									(3,221)	8,725	20,748
Total	$ 17,274	$ 20,344	$ 15,930	$ 23,421	$ 18,785	$ 19,170	$ 15,577	$ 21,894	$ 76,969	$ 75,426	$ 70,924