CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 1,287	$ (309,406)	$ 520	$ (291,347)
Adjustments to reconcile net income (loss) to net cash provided by operating activities, including discontinued operations:
Depreciation and amortization	8,654	8,335	25,740	23,879
Amortization of favorable and unfavorable lease intangibles	(507)	(492)	(1,527)	(1,466)
Provision for losses on accounts receivable	5,403	4,975	15,866	15,479
Loss on sale of assets, including discontinued operations, net	188	1,925	257	1,925
Loss on asset impairment	0	317,091	0	317,091
Stock-based compensation expense	1,233	2,359	5,041	5,160
Deferred taxes	386	(105)	229	9,871
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	7,641	23	(13,568)	(12,555)
Restricted cash	78	52	1,453	(1,876)
Prepaid expenses and other assets	1,800	(1,600)	4,125	(1,410)
Accounts payable	2,756	1,595	(7,358)	(1,906)
Accrued compensation and benefits	(5,666)	(11,717)	(2,889)	(12,298)
Accrued self-insurance obligations	3,821	3,618	1,420	(294)
Other accrued liabilities	(36)	2,104	4,386	1,158
Other long-term liabilities	(667)	(880)	(2,920)	(2,098)
Net cash provided by operating activities	26,371	17,877	30,775	49,313
Cash flows from investing activities:
Capital expenditures	(6,722)	(14,190)	(24,551)	(32,346)
Proceeds from sale of assets	781	1,809	781	1,809
Acquisitions, net of cash acquired	0	0	(260)	(356)
Net cash used for investing activities	(5,941)	(12,381)	(24,030)	(30,893)
Cash flows from financing activities:
Principal repayments of long-term debt and capital lease obligations	(277)	(2,806)	(852)	(8,404)
Net cash used for financing activities	(277)	(2,806)	(852)	(8,404)
Net increase in cash and cash equivalents	20,153	2,690	5,893	10,016
Cash and cash equivalents at beginning of period	43,648	88,489	57,908	81,163
Cash and cash equivalents at end of period	$ 63,801	$ 91,179	$ 63,801	$ 91,179