Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
OPERATING ACTIVITIES
Net income including noncontrolling interests	$ 20,424	$ 19,641
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	4,016	4,108
Provision for doubtful accounts	3,656	2,554
Equity-based awards compensation expense	1,589	1,491
Loss on sale or abandonment of assets, net	129	140
Deferred income tax	2,535	1,432
Other		(771)
Changes in operating assets and liabilities:
Increase in patient accounts receivable	(1,298)	(3,811)
Increase in accounts receivable - other	(482)	(1,277)
Decrease (increase) in other assets	471	(2,027)
Decrease in accounts payable and accrued expenses	(1,709)	(1,494)
Increase in other liabilities	19	607
Net cash provided by operating activities	29,350	20,593
INVESTING ACTIVITIES
Purchase of fixed assets	(2,948)	(2,428)
Purchase of businesses, net of cash acquired	(7,402)	(8,149)
Acquisitions of noncontrolling interests	(1,314)	(18,935)
Sale of noncontrolling interests	239
Net proceeds on sale of fixed assets and business	58	5
Net cash used in investing activities	(11,367)	(29,507)
FINANCING ACTIVITIES
Distributions to noncontrolling interests	(6,850)	(7,282)
Cash dividends to shareholders	(3,183)	(2,843)
Purchase and retirement of common stock		(2,269)
Proceeds from revolving line of credit	55,900	94,000
Payments on revolving line of credit	(63,300)	(73,100)
Payment of notes payable	(284)	(100)
Excess tax benefit from stock options exercised	381	802
Other	53	2
Net cash (used in) provided by financing activities	(17,283)	9,210
Net increase in cash	700	296
Cash - beginning of period	9,983	9,179
Cash - end of period	10,683	9,475
Cash paid during the period for:
Income taxes	5,200	7,881
Interest	538	315
Non-cash investing and financing transactions during the period:
Purchase of business - seller financing portion	350	200
Acquisition of noncontrolling interest - seller financing portion		$ 367