Consolidated Statements Of Financial Condition (USD $) In Thousands	Aug. 31, 2011	Aug. 31, 2010
CURRENT ASSETS
Cash and cash equivalents	$ 181,685	$ 195,741
Accounts receivable, net of reserves of $1,955 and $1,862 at August 31, 2011 and 2010, respectively	75,004	59,693
Deferred taxes	4,008	2,812
Prepaid expenses and other current assets	12,473	6,899
Total current assets	273,170	265,145
LONG-TERM ASSETS
Property, equipment and leasehold improvements, at cost	173,990	160,952
Less accumulated depreciation and amortization	(92,370)	(81,457)
Property, equipment and leasehold improvements, net	81,620	79,495
Goodwill	228,265	221,991
Intangible assets, net	46,310	52,179
Deferred taxes	20,166	19,601
Other assets	7,909	6,197
TOTAL ASSETS	657,440	644,608
CURRENT LIABILITIES
Accounts payable and accrued expenses	24,603	23,976
Accrued compensation	41,536	48,607
Deferred fees	28,252	25,034
Taxes payable	2,867	1,073
Dividends payable	12,165	10,586
Total current liabilities	109,423	109,276
NON-CURRENT LIABILITIES
Deferred taxes	3,712	3,731
Taxes payable	7,204	7,346
Deferred rent and other non-current liabilities	21,913	21,849
TOTAL LIABILITIES	142,252	142,202
Commitments and contingencies (See Note 16)
STOCKHOLDERS' EQUITY
Preferred stock, $.01 par value, 10,000,000 shares authorized, none issued
Common stock, $.01 par value, 100,000,000 shares authorized, 61,427,391 and 60,142,905 shares issued; 45,055,219 and 46,024,137 shares outstanding at August 31, 2011 and 2010, respectively	614	601
Additional paid-in capital	432,538	344,144
Treasury stock, at cost 16,372,172 and 14,118,768 shares at August 31, 2011 and 2010, respectively	(824,382)	(607,798)
Retained earnings	912,078	786,844
Accumulated other comprehensive loss	(5,660)	(21,385)
TOTAL STOCKHOLDERS' EQUITY	515,188	502,406
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 657,440	$ 644,608