CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUES
Commissions and fees	$ 333,793	$ 296,533
Investment income	186	135
Other income, net	1,033	5,818
Total revenues	335,012	302,486
EXPENSES
Employee compensation and benefits	159,498	149,596
Non-cash stock-based compensation	3,850	3,747
Other operating expenses	46,339	43,400
Amortization	16,161	15,613
Depreciation	4,167	3,641
Interest	3,984	4,087
Change in estimated acquisition earn-out payables	1,522	(388)
Total expenses	235,521	219,696
Income before income taxes	99,491	82,790
Income taxes	39,360	33,357
Net income	$ 60,131	$ 49,433
Net income per share:
Basic	$ 0.42	$ 0.34
Diluted	$ 0.41	$ 0.34
Weighted average number of shares outstanding:
Basic	140,796	139,001
Diluted	142,947	141,500
Dividends declared per share	$ 0.090	$ 0.085