CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities:
Net income (loss)	$ 3,758	$ (87,797)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	22,149	28,730
Provision for doubtful accounts	13,392	12,853
Non-cash compensation	3,197	4,933
401(k) employer match	4,682	6,200
Loss on disposal of property and equipment	4,174	1,239
Gain on sale of care centers	(2,967)	(1,808)
Deferred income taxes	6,357	(53,611)
Write off of deferred debt issuance costs	488	0
Equity in earnings of equity investments	(2,234)	(1,054)
Amortization of deferred debt issuance costs	521	548
Return on equity investment	1,500	975
Other intangibles impairment charge	2,208	3,828
Changes in operating assets and liabilities, net of impact of acquisitions:
Patient accounts receivable	(5,848)	45,170
Other current assets	(1,885)	1,409
Other assets	1,554	(2,069)
Accounts payable	668	(8,111)
U.S. Department of Justice settlement accrual	(115,000)	150,000
Accrued expenses	(4,081)	(11,198)
Other long-term obligations	(2,762)	3,625
Net cash (used in) provided by operating activities	(70,129)	93,862
Cash Flows from Investing Activities:
Proceeds from sale of deferred compensation plan assets	9	128
Proceeds from the sale of property and equipment	3	126
Purchases of deferred compensation plan assets	(104)	(93)
Purchases of property and equipment	(9,882)	(28,983)
Purchases of investments	(3,421)	(9,732)
Acquisitions of businesses, net of cash acquired	0	(627)
Proceeds from dispositions of care centers, net of cash sold	4,233	3,725
Net cash used in investing activities	(9,162)	(35,456)
Cash Flows from Financing Activities:
Proceeds from issuance of stock upon exercise of stock options	89	258
Proceeds from issuance of stock to employee stock purchase plan	1,875	2,436
Non-controlling interest distribution	0	(163)
Proceeds from revolving line of credit	200,800	25,500
Repayments of revolving line of credit	(190,800)	(25,500)
Proceeds from issuance of long-term obligations	67,371	0
Debt issuance costs	(901)	0
Principal payments of long-term obligations	(10,904)	(31,856)
Net cash provided by (used in) financing activities	67,530	(29,325)
Net (decrease) increase in cash and cash equivalents	(11,761)	29,081
Cash and cash equivalents at beginning of period	17,303	14,545
Cash and cash equivalents at end of period	5,542	43,626
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	4,771	2,384
Cash paid for income taxes, net of refunds received	13	3,235
Supplemental Disclosures of Non-Cash Financing and Investing Activities
(Sale) acquisition of non-controlling interests	$ (1,549)	$ 312