Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities
Net income	$ 28,856	$ 26,023
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	2,915	(2,525)
(Gain) loss on disposal of fixed assets	102	(13)
Non-cash equity compensation	6,419	4,786
Depreciation and amortization	18,031	15,188
Deferred rent	2,745	1,809
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	13,045	(8,537)
Prepaid expenses and other assets	(765)	(1,745)
Accounts payable	462	2,718
Accrued salaries and benefits	(115)	3,086
Accrued expenses	2,930	2,023
Deferred revenue	(6,151)	852
Income tax receivable and payable	(910)	118
Restricted cash	(614)	1,628
Other liabilities	(95)	1,395
Net cash provided by operating activities	66,855	46,806
Cash flows from investing activities
Capital expenditures	(10,404)	(6,889)
Capitalized software development costs		(28)
Payments for business acquisitions, net of cash received	(10,749)	(6,220)
Net cash used in investing activities	(21,153)	(13,137)
Cash flows from financing activities
Advances from working capital facilities	150,516	104,469
Payments on working capital facilities	(180,516)	(139,469)
Debt issue costs	(1,957)
Proceeds from exercise of options	67	447
Tax benefits of stock option exercises and award vesting	649	815
Net payments for stockholder issuances and buybacks	(11,961)	(1,211)
Net cash used in financing activities	(43,202)	(34,949)
Effect of exchange rate on cash	(535)	(11)
Increase (decrease) in cash	1,965	(1,291)
Cash, beginning of period	4,097	3,301
Cash, end of period	6,062	2,010
Cash paid during the period for:
Interest	2,593	1,694
Income taxes	$ 16,706	$ 19,174