Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities
Net income	$ 9,716	$ 10,112
Adjustments to reconcile net income to net cash provided by operating activities:
Non-cash equity compensation	3,929	2,001
Depreciation and amortization	5,035	5,192
Other adjustments, net	(1,103)	263
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	(24,246)	(2,752)
Prepaid expenses and other assets	(1,231)	(102)
Accounts payable	616	(587)
Accrued salaries and benefits	(12,956)	(5,340)
Accrued expenses	5,903	(2,795)
Deferred revenue	456	138
Income tax receivable and payable	3,271	6,932
Other liabilities	(1,419)	245
Net Cash (Used in) Provided by Operating Activities	(12,029)	13,307
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	(5,658)	(3,621)
Payments for business acquisitions, net of cash received	(57,716)
Net Cash Used in Investing Activities	(63,374)	(3,621)
Cash Flows from Financing Activities
Advances from working capital facilities	168,516	19,757
Payments on working capital facilities	(81,308)	(38,046)
Proceeds from exercise of options	1,177	40
Tax benefits of stock option exercises and award vesting	2,435	197
Net payments for stockholder issuances and buybacks	(3,819)	(1,649)
Net Cash Provided by (Used in) Financing Activities	87,001	(19,701)
Effect of exchange rate changes on cash	(347)	(245)
Increase (Decrease) in Cash	11,251	(10,260)
Cash, beginning of period	8,953	14,725
Cash, end of period	20,204	4,465
Cash paid during the period for:
Interest	550	754
Income taxes	$ 582	$ 120