Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Aug. 31, 2012	Aug. 31, 2011
Accounts receivable, reserves (in Dollars)	$ 1,830	$ 1,955
Preferred stock par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	100,000,000
Common stock, shares issued	45,599,754	61,427,391
Common stock, shares outstanding	44,279,214	45,055,219
Treasury stock shares	1,320,540	16,372,172