Note 11 - Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Mar. 01, 2014	Feb. 28, 2015	Mar. 01, 2014
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	38.50%	37.80%	38.50%	38.40%
Unrecognized Tax Benefits, Period Increase (Decrease) (in Dollars)			$ 0