Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities
Net income	$ 9,687,000	$ 7,900,000
Adjustments to reconcile net income to net cash provided by operating activities:
Non-cash equity compensation	2,641,000	2,880,000
Depreciation and amortization	7,147,000	8,163,000
Other adjustments, net	1,152,000	(1,196,000)
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	(19,460,000)	(20,757,000)
Prepaid expenses and other assets	(5,812,000)	(1,821,000)
Accounts payable	(12,441,000)	(10,336,000)
Accrued salaries and benefits	5,154,000	(16,333,000)
Accrued expenses and other current liabilities	(3,848,000)	(5,218,000)
Deferred revenue	(812,000)	7,855,000
Income tax receivable and payable	3,645,000	4,906,000
Restricted cash	(12,000)	33,000
Other liabilities	(622,000)	582,000
Net Cash Used in Operating Activities	(13,581,000)	(23,342,000)
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	$ (4,184,000)	(2,724,000)
Payments for business acquisitions, net of cash received		(1,818,000)
Net Cash Used in Investing Activities	$ (4,184,000)	(4,542,000)
Cash Flows from Financing Activities
Advances from working capital facilities	123,279,000	122,965,000
Payments on working capital facilities	(96,881,000)	(95,718,000)
Payments on capital expenditure obligations	$ (1,010,000)	(585,000)
Proceeds from exercise of options		445,000
Tax benefits of stock option exercises and award vesting	$ 204,000	826,000
Net payments for stockholder issuances and buybacks	(6,664,000)	(3,666,000)
Net Cash Provided by Financing Activities	18,928,000	24,267,000
Effect of exchange rate changes on cash	449,000	(1,480,000)
Increase (Decrease) in Cash and Cash Equivalents	1,612,000	(5,097,000)
Cash and Cash Equivalents, Beginning of Period	7,747,000	12,122,000
Cash and Cash Equivalents, End of Period	9,359,000	7,025,000
Supplemental Disclosure of Cash Flow Information
Interest	1,485,000	2,822,000
Income taxes	$ 587,000	$ 1,786,000