Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income	$ 22,717	$ 13,870
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,189	3,238
Stock-based compensation expense	3,099	4,500
Deferred taxes	9,777	7,233
Provision for bad debts	(122)	305
Changes in operating assets and liabilities
(Increase) in accounts receivable	(8,690)	(1,246)
(Increase) in prepaid expenses and other assets	(4,378)	(11)
(Decrease) in accrued employee compensation	(5,860)	(6,649)
(Decrease) increase in deferred revenue	(128)	17
(Decrease) increase in accounts payable, accrued expenses and other liabilities	(195)	1,300
Net cash provided by operating activities	19,409	22,557
Securities available-for-sale:
Proceeds from maturities	9,873	29,214
Purchases	(12,556)	(31,363)
Purchases of furniture, equipment and leasehold improvements	(1,516)	(3,824)
Capitalization of software development costs	(1,790)	(821)
Other	(25)	77
Net cash (used in) investing activities	(6,014)	(6,717)
Cash flows from financing activities
Cash dividend on common stock and Series B Preferred Stock	(6,804)	(5,381)
Proceeds from exercise of stock options and grants of restricted stock, net of surrenders on stock option exercises and withholding tax on stock vesting	1,923	(234)
Windfall tax benefits from stock-based compensation	2,934	478
Other	(137)	(8)
Net cash (used in) financing activities	(2,084)	(5,145)
Effect of exchange rate changes on cash and cash equivalents	(537)	(510)
Cash and cash equivalents
Net increase for the period	10,774	10,185
Beginning of year	124,994	103,341
End of period	135,768	113,526
Cash paid during the period:
Income taxes paid	5,980	1,064
Non-cash activity:
Conversion of Series B Preferred Stock to common stock	$ 30,315