Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income	$ 19,283	$ 16,689
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	3,611	(157)
(Gain) loss on disposal of fixed assets	76	(58)
Non-cash equity compensation	3,927	2,972
Depreciation and amortization	11,665	10,275
Deferred rent	2,317	1,251
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	(962)	(5,778)
Prepaid expenses and other assets	(1,774)	(2,987)
Accounts payable	(2,021)	2,878
Accrued salaries and benefits	888	1,850
Accrued expenses	(1,766)	37
Deferred revenue	(1,940)	561
Income tax receivable and payable	(5,582)	(1,140)
Restricted cash	(431)	1,444
Other liabilities	1,130	1,545
Net cash provided by operating activities	28,421	29,382
Cash flows from investing activities
Capital expenditures	(8,102)	(4,234)
Capitalized software development costs		(28)
Payments for business acquisitions, net of cash received	(8,532)	(4,523)
Net cash used in investing activities	(16,634)	(8,785)
Cash flows from financing activities
Advances from working capital facilities	122,220	81,841
Payments on working capital facilities	(123,690)	(103,427)
Debt issue costs	(1,896)
Proceeds from exercise of options	23	219
Tax benefits of stock option exercises and award vesting	648	911
Net payments for stockholder issuances and buyback	(7,313)	(965)
Net cash provided by (used in) financing activities	(10,008)	(21,421)
Effect of exchange rate on cash	(619)	200
Increase (decrease) in cash	1,160	(624)
Cash, beginning of period	4,097	3,301
Cash, end of period	5,257	2,677
Cash paid during the period for:
Interest	1,737	1,185
Income taxes	$ 14,197	$ 11,760