Note 9 - Intangible Assets (Details) (USD $)	1 Months Ended	12 Months Ended
	Jun. 29, 2012	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011
Disclosure Text Block [Abstract]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		11 years 219 days	5 years 6 months
Finite-lived Intangible Assets Acquired	$ 6,400,000	$ 0	$ 6,357,000
Amortization of Intangible Assets		$ 7,100,000	$ 7,500,000	$ 8,400,000