Consolidated Statements of Financial Condition (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011
Accounts receivable, net of reserves (in Dollars)	$ 1,933	$ 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	100,000,000	100,000,000
Common stock, shares issued	61,637,672	61,427,391
Common stock, shares outstanding	45,113,931	45,055,219
Treasury stock shares	16,523,741	16,372,172