CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 227,441	$ 245,879
Cash and securities segregated under federal and other regulations	47,494	12,756
Commissions receivable, net	73,930	94,971
Receivables from brokers, dealers and clearing organizations	252,696	251,794
Property, equipment and leasehold improvements, net	58,835	61,947
Goodwill	267,977	266,506
Intangible assets, net	48,492	58,027
Other assets	203,196	198,669
TOTAL ASSETS	1,180,061	1,190,549
LIABILITIES
Accrued compensation	79,195	127,089
Accounts payable and accrued expenses	36,674	56,547
Payables to brokers, dealers and clearing organizations	164,935	89,529
Payables to clearing services customers	139,627	120,909
Long-term obligations	250,000	250,000
Other liabilities	83,574	97,563
Total Liabilities	754,005	741,637
Commitments and contingencies (Note 13)
STOCKHOLDERS' EQUITY
Preferred stock, $0.01 par value; 5,000,000 shares authorized, none outstanding at December 31, 2012 and 2011
Common stock, $0.01 par value; 400,000,000 shares authorized and 134,689,148 and 131,669,676 shares issued at December 31, 2012 and 2011, respectively	1,347	1,317
Additional paid in capital	374,798	365,835
Retained earnings	121,415	160,934
Treasury stock, 17,313,686 and 14,145,038 common shares at cost at December 31, 2012 and 2011, respectively	(75,020)	(73,919)
Accumulated other comprehensive income (loss)	2,542	(6,955)
Total Stockholders' Equity	425,082	447,212
Non-controlling interests	974	1,700
Total Equity	426,056	448,912
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,180,061	$ 1,190,549