CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities:
Net income	$ 39,135us-gaap_NetIncomeLoss	$ 13,917us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of discontinued operations, net of income taxes	(25,703)	0
Depreciation and amortization	8,665	8,959
Stock-based compensation	3,954us-gaap_ShareBasedCompensation	3,190us-gaap_ShareBasedCompensation
Gross excess tax benefits from stock-based compensation	(1,643)	(2,088)
Workers’ compensation and medical malpractice provision	586	1,592
Other	1,930us-gaap_OtherNoncashIncome	2,029us-gaap_OtherNoncashIncome
Changes in operating assets and liabilities, net of effects of divestiture:
Accounts receivable	(14,584)	(16,476)
Prepaid expenses and income taxes	7,954	3,950
Accounts payable	205	(3,006)
Accrued payroll and contract professional pay	3,160	599
Income taxes payable	(539)	(12,445)
Workers’ compensation and medical malpractice loss reserves	(309)	(920)
Other	(2,868)	(3,622)
Net cash provided by (used in) operating activities	19,943	(4,321)
Cash Flows from Investing Activities:
Cash paid for property and equipment	(8,000)	(4,020)
Cash received from sale of discontinued operations, net	114,884	0
Other	12	130
Net cash provided by (used in) investing activities	106,896	(3,890)
Cash Flows from Financing Activities:
Principal payments of long-term debt	(80,563)us-gaap_RepaymentsOfLongTermDebt	(105,500)us-gaap_RepaymentsOfLongTermDebt
Proceeds from long-term debt	0	99,500
Proceeds from option exercises and employee stock purchase plan	3,555	2,967
Payment of employment taxes related to release of restricted stock awards	(3,991)us-gaap_PaymentsForOtherTaxes	(3,277)us-gaap_PaymentsForOtherTaxes
Gross excess tax benefits from stock-based compensation	1,643	2,088
Repurchase of common stock	(1,645)	0
Debt issuance or amendment costs	(486)us-gaap_PaymentsOfDebtIssuanceCosts	(446)us-gaap_PaymentsOfDebtIssuanceCosts
Payments of accrued earn-outs	0	(691)
Net cash used in financing activities	(81,487)	(5,359)
Effect of exchange rate changes on cash and cash equivalents	(703)	(386)
Net Increase (Decrease) in Cash and Cash Equivalents	44,649	(13,956)
Cash and Cash Equivalents at Beginning of Year	28,860	37,350
Cash and Cash Equivalents at End of Period	76,363	23,394
Supplemental Disclosure of Cash Flow Information:
Income taxes	1,142us-gaap_IncomeTaxesPaidNet	21,034us-gaap_IncomeTaxesPaidNet
Interest	2,695us-gaap_InterestPaidNet	3,087us-gaap_InterestPaidNet
Supplemental Disclosure of Non-Cash Transactions:
Acquisition of property and equipment through accounts payable	$ 1,011	$ 870

The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. This concept also represents income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.

No definition available.