CONDENSED 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	$ 13,917	$ 24,613
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Gain on sale of discontinued operations, net of income taxes	0	(14,412)
Depreciation and amortization	8,959	7,244
Stock-based compensation	3,190	2,724
Gross excess tax benefits from stock-based compensation	(2,088)	(768)
Workers’ compensation and medical malpractice provision	1,592	1,288
Other	2,029	502
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(16,476)	(26,113)
Prepaid expenses and income taxes	3,950	2,151
Accounts payable	(3,006)	(1,089)
Accrued payroll and contract professional pay	599	7,203
Income taxes payable	(12,445)	2,431
Deferred compensation	(20)	(4,850)
Other	(4,522)	2,651
Net cash provided by (used in) operating activities	(4,321)	3,575
Cash Flows from Investing Activities:
Cash paid for property and equipment	4,020	2,785
Cash received from sale of discontinued operations, net	0	28,893
Cash paid for acquisitions, net of cash acquired	(222)	0
Other	352	(1,689)
Net cash provided by (used in) investing activities	(3,890)	24,419
Cash Flows from Financing Activities:
Principal payments of long-term debt	(105,500)	(43,000)
Proceeds from Issuance of Long-term Debt	99,500	0
Proceeds from stock transactions	2,967	2,443
Payments of employment taxes related to release of restricted stock awards	(3,277)	(3,611)
Gross excess tax benefits from stock-based compensation	2,088	768
Other	(1,137)	(20)
Net cash used in financing activities	(5,359)	(43,420)
Effect of exchange rate changes on cash and cash equivalents	(386)	(279)
Net Increase in Cash and Cash Equivalents	(13,956)	(15,705)
Cash and Cash Equivalents at Beginning of Year	37,350	27,479
Cash and Cash Equivalents at End of Period	23,394	11,774
Supplemental Disclosure of Cash Flow Information:
Income taxes	21,034	3,861
Interest	3,087	4,673
Supplemental Disclosure of Non-Cash Transactions:
Acquisition of property and equipment through accounts payable	$ 870	$ 819