Condensed Consolidated Statements of Cash Flow (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 54,048	$ 43,075
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,617	4,433
Share based compensation	1,737	1,376
Provision for doubtful accounts	747	341
Provision (benefit) for deferred taxes	(5,870)	(89)
Debt discount amortization on convertible debt	21	303
Unrealized foreign exchange gain (loss) on forward contracts	909	(1,270)
Unrealized foreign currency exchange gain (loss)	(4,047)	(277)
(Gain) loss on put option	893	(5,416)
Reduction of acquisition earnout accruals	(3,048)	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(2,985)	(5,020)
Other assets	422	(1,219)
Accounts payable and accrued expenses	1,916	(1,140)
Accrued payroll and related benefits	(959)	(369)
Deferred revenue	1,024	(859)
Deferred rent	(188)	(70)
Other current liabilities	1,696	41
Net cash provided by operating activities	51,933	33,840
Cash flows from investing activities:
Maturities of marketable securities	7,600	0
Purchases of marketable securities	(2,963)	(4,952)
Capital expenditures	(1,863)	(1,325)
Net cash provided by/(used in) investing activities	5,726	(24,139)
Cash flows from financing activities:
Repayments on revolving line of credit, (net of proceeds)	(14,750)	(2,100)
Proceeds from term loan	16,250	10,000
Principal payments of term loan obligation	(4,740)	(3,751)
Repurchases of common stock	(56,548)	(10,649)
Settlement on conversion of convertible debt	(6,761)	(12,021)
Proceeds from the exercise of stock options	14	231
Payments of capital lease obligations	(253)	(683)
Net cash used in financing activities	(66,788)	(18,973)
Effect of foreign exchange rates on cash	(327)	1,308
Net change in cash and cash equivalents	(9,456)	(7,964)
Cash and cash equivalents at the beginning of the period	23,397	19,227
Cash and cash equivalents at the end of the period	13,941	11,263
Supplemental disclosures of cash flow information:
Interest paid	579	410
Income taxes paid	1,757	1,589
ADAM
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	3,529	0
MCN
Cash flows from investing activities:
Investment, net of cash acquired	(381)	(2,931)
Trades Monitor
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(2,749)
Connective Technologies
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(1,337)
E-Trek
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(1,011)
USIX
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(6,844)
ConfirmNet
Cash flows from investing activities:
Investment, net of cash acquired	(184)	(2,975)
Facts
Cash flows from investing activities:
Investment, net of cash acquired	(12)	(11)
Periculum
Cash flows from investing activities:
Investment, net of cash acquired	$ 0	$ (4)