Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income	$ 33,911,000	$ 28,619,000
Adjustments to reconcile net income to net cash provided by operating activities:
Non-cash equity compensation	7,674,000	8,466,000
Depreciation and amortization	21,620,000	24,924,000
Other adjustments, net	5,254,000	(1,255,000)
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	(18,286,000)	(13,713,000)
Prepaid expenses and other assets	(4,875,000)	(2,030,000)
Accounts payable	(4,387,000)	(6,904,000)
Accrued salaries and benefits	18,921,000	(10,258,000)
Accrued expenses and other current liabilities	3,779,000	(1,722,000)
Deferred revenue	160,000	3,440,000
Income tax receivable and payable	(5,567,000)	11,233,000
Other liabilities	(386,000)	2,101,000
Net Cash Provided by Operating Activities	57,818,000	42,901,000
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	(10,654,000)	(9,789,000)
Payments for business acquisitions, net of cash received		(1,818,000)
Net Cash Used in Investing Activities	(10,654,000)	(11,607,000)
Cash Flows from Financing Activities
Advances from working capital facilities	360,947,000	300,150,000
Payments on working capital facilities	(391,285,000)	(318,047,000)
Payments on capital expenditure obligations	(3,030,000)	(2,405,000)
Proceeds from exercise of options	2,104,000	572,000
Tax benefits of stock option exercises and award vesting		1,261,000
Net payments for stockholder issuances and buybacks	(13,408,000)	(17,739,000)
Net Cash Used in Financing Activities	(44,672,000)	(36,208,000)
Effect of exchange rate changes on cash	(592,000)	(1,486,000)
Increase (Decrease) in Cash and Cash Equivalents	1,900,000	(6,400,000)
Cash and Cash Equivalents, Beginning of Period	7,747,000	12,122,000
Cash and Cash Equivalents, End of Period	9,647,000	5,722,000
Supplemental Disclosure of Cash Flow Information
Interest	6,085,000	7,729,000
Income taxes	15,137,000	13,015,000
Non-cash investing and financing transactions:
Capital expenditure obligations		$ 11,680,000