Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities
Net income	$ 31,574	$ 28,856
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	432	2,915
Loss on disposal of fixed assets	1	102
Non-cash equity compensation	6,565	6,419
Depreciation and amortization	15,563	17,588
Amortization of debt issue costs	357	443
Deferred rent	1,898	2,745
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	(10,199)	13,045
Prepaid expenses and other assets	(5,337)	(765)
Accounts payable	(1,694)	462
Accrued salaries and benefits	(3,119)	(115)
Accrued expenses	4,665	2,930
Deferred revenue	(3,621)	(6,151)
Income tax receivable and payable	8,512	(910)
Restricted cash	(27)	(614)
Other liabilities	1,256	(95)
Net cash provided by operating activities	46,826	66,855
Cash flows from investing activities
Capital expenditures for property and equipment and capitalized software	(10,082)	(10,404)
Payments for business acquisitions, net of cash received	(4,763)	(10,749)
Net cash used in investing activities	(14,845)	(21,153)
Cash flows from financing activities
Advances from working capital facilities	90,790	150,516
Payments on working capital facilities	(131,726)	(180,516)
Debt issue costs		(1,957)
Proceeds from exercise of options	2,360	67
Tax benefits of stock option exercises and award vesting	338	649
Net payments for stockholder issuances and buybacks	(2,465)	(11,961)
Net cash used in financing activities	(40,703)	(43,202)
Effect of exchange rate on cash	3	(535)
Increase (decrease) in cash	(8,719)	1,965
Cash, beginning of period	14,725	4,097
Cash, end of period	6,006	6,062
Cash paid during the period for:
Interest	1,881	2,593
Income taxes	9,764	16,706
Non-cash investing and financing transactions:
Fair value of contingent consideration payable in connection with acquisition	$ 8,028