Note 4 - Income Taxes (Details) - Provision for income taxes (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 25, 2012	Aug. 27, 2011
Current:
Federal	$ 39,455	$ 43,470	$ 22,372
Foreign	3,999	3,604	3,664
State	6,722	8,066	5,089
Total current	50,176	55,140	31,125
Deferred:
Federal	17,514	540	11,424
Foreign	151	90	(94)
State	3,083	(25)	1,631
Total deferred	20,748	605	12,961
Total	$ 70,924	$ 55,745	$ 44,086